Seldom does she refuse to do her friends a good______ , but on that occasion she was too busy to pay attention to other people's problems. 
A. assistance B. turn C. aid D. backing

If Dick had John’s position in the company, everybody believes he would be able to motivate the workers better
A. Everybody who works in this company thinks that John motivates the workers well, so that is why he has a better job here than Dick
B. If Dick were able to motivate the workers better, he would be given John’s present job in the company
C. It is believed that John is not as good at encouraging the company’s workersas Dick would be if he had the same job
D. Everybody in the company thinks that the workers were motivated far better when Dick was doing John’s present job

(Although discovered) the Xray in 1895, professor Roentgen (died) poor and (neglected) without any honours in (his lifetime)

 Betty says she cannot stand looking at the rat, _____touching it. A. even so B. let alone C. what if D. as far as

During the Industrial Revolution, farmers (have left) (their) fields and (went) to work in (dimlylit)
factories and mines

The first clock, made nearly a thousand years ago, had neither a
face nor hands, ………….that rang each hour
A. it had bells
B. rather than bells
C. though bells
D. but it had bells

Even though woodpeckers ………….as a nuisance to many people, they are actually helpful, since they feed on harmful insects
A. are seen
B. which are seen
C. being seen
D. to be seen

Some medicines should be (dissolved) before they are taken
A. boiled
B. sweetened
C. prepared with food
D. mixed with a liquid

Sorry, were you ___________to me? I wasn’t listening
A. telling
B. chatting
C. talking
D. discussing

I know it’s early but I though we ought to leave ___________
A. timely
B. on time
C. at the time
D. in good time