问题

Not all insects are pests; in fact, a great many of them are ____ to man.[ ]
A: benefit
B:beneficent
C: beneficial
D:beneficially
B:beneficent
C: beneficial
D:beneficially
正确答案是:
同类题型
Keeping what belongs to another person ________ to stealing.[ ]
e a promise ________he earned money, he would build a new school to help develop education
My sister spends too much time ______computer games.
I didn’t know this is a one way street, Sir. —___________.
Why does the Lake smell terrible?-Because large quantities of water