问题

Since then the number of people who were addicted to smoking ________ 20%.[ ]

A:has reduced to
B:reduces by
C:has reduced by
D:have reduced by

正确答案是：

同类题型

We didn’t find Smith attending the lecture.—— No one ____ him about _____ a lecture the following day

Ann, would you like to drink tea or coffee—-_________, I’m not thirsty at all.

There are three ________ and two ________ in the meeting room.

David, could you tell me _________ the Olympics take place—Every four years. The 32st Olympics will take place in Tokyo in 2020.

The doctors and nurses have devoted everything they can _________ the child.