思品课代表收作业时,蒋红才发现自己的思品作业忘写了,她怎样跟课代表说才是负责任的呢
The Greens used to live in London, but they ___________ in Beijing so far.
My father ___________________________ when he was in his twenties.
It is dangerous ____ you ______ a close look at the tiger in the zoo.
Take the paper with you. The details we ought to pay attention to ________ on it already.
This problem worried her so much that she didn’t know ___________ with it..