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

正确答案是：

同类题型

_____of the danger in the street, she had to go home with a friend ______ her.

What is she afraid of? —______in public.

(2013·高考新课标全国卷Ⅰ)When I first met Bryan I didn’t like him，but I________my mind

I’m interested in a onebed room. Do you have any ________?[ ]

This is ______ room. It’s big and nice.