昨天晚上我妈妈很快就睡着了。My mother________ ________soon last night.
我们曾经去过上海. .
We are supposed to (鼓励)the young to read more books.
Keeping an English diary can help us improve our writing (能力).
This is the (第八) year for Jim Green to stay in China.
The plane flew at a (高度) of three thousand meters.