问题

I can think of many cases ______students obviouslyknow a lot of English words and expressions but couldn’t write a good essay .

A:why
B:which
C:as
D:where

正确答案是：

同类题型

I really don’t know how ________ thisproblem.— Let me see.

, you seem to be a little absent-minded. What’swrong—Oh, sorry. Actually, Iofthe family party this weekend. I have to make a list of what needs to bebought.

The students _______ their homework carefully when the teacher walked into the classroom quietly.

na, __________ pressure to pass________ exams gives students the impression that learning comes fromtextbooks

Mary, I am very busy these days.Could you please ________ my pet cat?[ ]