问题

The teacher didn’t explain the problem clearly, so many students were _____. [ ]

A: confusing
B: mixing
C: confused
D: mixed

正确答案是：

同类题型

190 What impressed me most was that theynever__________even when they failed once again

rl in the photo was smiling sweetly, ________

China is larger than ________ country in Africa(非洲).

The family wrote a letter to the organization to express their _____ for help.

Please give the child a pen ________.