问题

It was in the mid-1980s that cartoons began to take off in China,_________there were only pictured-story books.

A:when
B:after that
C:before which
D:where

正确答案是：

同类题型

Jim went to answer the phone______, Harry started to prepare lunch [ ]

Sustainable development is long-term________which focuses on the environment and ________ natural resources

_____ about the future of these wild animals, people set up conservation areas to protect them, especially the _____ species.

I’m sorry that I shouted at you this morning.— ________， but please don’t get angry so often.

I could have told the whole story to you if you hadn’t so often.