问题
Some people disagree with the idea _____digital textbook will improve education quality while the traditional textbookis out of date
A:had waited
B:have waited
C:were waiting
D:waited
B:have waited
C:were waiting
D:waited
正确答案是：
同类题型
Why were you late for the show — It was rush hour. There was _______ traffic on the road.
Why is Peter so strong — Because he does sports very____.
The dog _______ played with you just now is _______.
Your schoolbag isvery nice.– __________.
They’ve won their last three matches, I find a bit surprising.