__________ young, chimpanzees are easily trained.
A. When are 
B. When 
C. They are 
D. When they

Andrew couldn’t __________ himself laughing at the expression on Maggie’s face.
A. help 
B. stop 
C. escape 
D. avoid

Of course I didn’t break it ____________ purpose- it was an accident!
A. by 
B. with 
C. from 
D. on
 

Before he left on his trip to America, the young man promised his parents he _____them regularly.
A. is writing 
B. will write 
C. should write 
D. would write

‘Go on, finish the food. It needs __________ up because it won’t stay fresh until tomorrow.
A. eat 
B. eating 
C. to eat 
D. eaten

 In the hotel lobby the detective caught __________of the man he had been hired to follow.
A. glance 
B. view 
C. vision 
D. sight

Marianne seemed to take _______ at my comments on her work
A. annoyance
B. insult 
C. indignation
D. offence

 Harry swore he would stand by his promise
A. Harry swore that he would change his promise
B. Harry swore that he would break his promise
C. Harry swore that he would not go back on his promise
D. Harry swore that he would go back on his promise

(Through) the year, scientists (have developed) smaller but (increasingly) more powerful batteries for the growing number of portable electrical (device)

After leaving school, Nigel decided to ………………..in the army 
A. enlist, 
B. enroll, 
C. register, 
D. sign