【推荐1】The young couple, who returned my lost wallet, left __________ I could ask for their names.

【推荐2】Who knows how long it will be ________ Mr Smith wants to try something else? (用适当的词填空)

【推荐3】How long do you think it will be ________ China sends a spaceship to the moon?

【推荐1】Be careful not to catch a cold ________it’s getting cold. （用适当的词填空）

【推荐2】He hurried out of the room ______ ______ ________ the meeting was over.

【推荐3】单句语法填空
1. They are enjoying the__________ （beautiful）of the West Lake.
2. There are many other examples __________（reflect）the development of Chinese writing.
3. Everyone is wearing a tired look and the meeting appears__________（end）.
4. I hadn't realized she was foreign __________ she spoke.
5. There was once a town in this country where all life seemed to live in harmony__________ its surroundings.
6. The elderly man, __________（official）declared dead, suddenly came to life.
7. The__________ （announce）confirmed that the election would take place on June 20th.
8. __________ by beautiful green mountains and rivers, the buildings have been designed to blend in with their__________（surround）.
9. Shangri-la is really a beauty, which is home __________ many kinds of rare birds.
10. He was found __________（wander）on the street of New York.