Friendship is both ________ source of pleasure and ________ component of good health.
A.a; a | B./; / | C.the; a | D.a; the |
Of the three statements he has suggested __ the heating problem, I think the last one is the best.
A.solving | B.to solve | C.to solving | D.solve |
It was very kind of you to do the washing-up but you _____ it
A.needn’t do | B.shouldn’t do | C.mustn’t have done | D.needn’t have done |
Anyone providing information which leads to the recovery of the painting will be ________.
A.appreciated | B.included | C.gained | D.rewarded |
He tried his best to solve the problem, _______ difficult it was.
A.whatever | B.however | C.whichever | D.wherever |
With so many things _______, we haven’t decided on the final plan yet.
A.considered | B.having considered | C.to consider | D.considering |