问题
I can think of many cases____ students obviously knew a lot of English words and expressions but couldn’t write a good essay[ ]
A:why
B:which
C:as
D:where
B:which
C:as
D:where
正确答案是：
同类题型
The problem has _____ simply because you didn’t follow the instructions in the handbook. [ ]
Some pre-school children go to a day care center,___________ they learn simple games andsongs[ ]
Is this research center _____you saw the modern equipment last year?
Lady Gaga has put off her concerts because of the difficulties by the ongoing strikes.