Initially the baby … for several minutes at each breast.

A) feeds

B) is being fed

C) is fed

D) has been fed

Look! The infant … at the sound of its mother’s voice.

A) smiles

B) has smiled

C) has been smiling

D) is smiling

The pregnant … folic acid for a month.

A) has been taking

B) has taken

C) is taking

D) is taken

Her son is mentally retarded, so she … him to an ordinary school.

A) won’t give

B) won’t be given

C) won’t be giving

D) won’t have given

If children with autism … properly, the treatment … more effective.

A) will be diagnosed … will be

B) are diagnosed … will be

C) are diagnosed … shall be

D) will be diagnosed … is

Scientists … already in revealing limited number of genes implicated in tumour initiation.

A) have succeeded

B) succeeded

C) will succeed

D) are succeeding

… the parents … to this doctor’s operating on their chills?

A) was … agreed

B) did … agree

C) was … being agreed

D) had … agreed

I … this medication since the beginning of irritation.

1. has used

2. have been using

3. is using

4. used

Dr. Smith … this patient’s stomatitis for almost a year already.

1. is treating

2. had treated

3. will treat

4. has been treating

Now the dentist … all his dental armamentarium for receiving his next patient.

1. prepared

2. is preparing

3. had prepared

4. is being prepared

The dentist … already … filled the patient’s tooth when I entered the dental office.

1. had … filled

2. was … filling

3. is … being filled

4. will … be filling

I … my prescription that’s why I need to visit my dentist once more to have a new one.

1. have lost

2. was lost

3. have been lost

4. was being lost

Last week my teeth sensitivity … by means of this new medication.

1. has treated

2. was treated

3. is treating

4. was treating

Cosmetic stomatologist … often…by her.

1. is … visiting

2. is … being visited

3. is … visited

4. does … visit

Dental therapy … by him when I came.

1. is being performed

2. was being performed

3. is performed

4. has performed

… the patient … by this experienced endodontist now?

1. Is … being examined

2. Is … examining

3. Was … examined

4. Had … been examined

I … studying an important article on dental surgery by Monday.

1. finished

2. will finish

3. shall have finished

4. will be finished

People with maniac-depressive illnesses usually … by a psychiatrist.

A) are treated

B) are being treated

C) have been treated

D) are treating

This child … from autism for some years before behavioral therapy was started.

A) suffered

B) was suffering

C) has been suffering

D) had been suffering

The students … in the laboratory studying the structure of the reproductive system when somebody … off the light.

A) worked … was switching

B) were working … switched

C) had worked … had been switching

D) worked … switched

At 2 o’clock yesterday a medical practitioner … my uncle how to properly inject insulin.

a) is showing b) was showing c) showed d) will show

That patient … by the dentist by 9 o’clock.

a) had been examined

b) had examined

c) has been examined

d) have been examined

Ann ... still... her report on different types of fillings.

a) is … writing

b) will … write

c) has … write

d) was … written