问题

Some of our industrial products have beensaid advancedlevel.

A:to reach
B:to be reaching
C:to have reached
D:to have been reaching

正确答案是：

同类题型

Mike with Janet for over one year before they got married

Glad to meet you—____________

We are good friends.I____her study(学习)English

________do you play basketball everyday—-Half an hour.

In fact , listening is just as_____ as speaking in language learning.