He is only too ready to help others, seldom, ____, refusing them when they turn to him.
| A.if never | B.if ever | C.if not | D.if any |
The rescuers _______ to work as soon as they arrived at the spot of the accident.
| A.set out | B.set off | C.set up | D.set in |
I’ll never forget the good trick my classmates ________ on me when I was in the primary school.
| A.paid | B.acted | C.played | D.made |
Maybe Mr. Green is really in ______ debt, for he is losing ______ weight quickly.
| A./ ; his | B./ ; / | C.the; / | D.a; / |
________ many times, he still couldn’t understand it.
| A.Told | B.Being told | C.Having been told | D.Having told |
Always read the ______ on the bottle carefully and take the right amount of medicine.
| A.explanations | B.instructions | C.descriptions | D.introductions |