题目内容
用所给动词的适当形式填空，必要时可加助动词。
1. If you want to cross a street, you ______ （wait） for the green light.
2. American fast food seems ______ （be） the most popular in the world.
3. They______ （eat） a lot of potatoes yesterday, so _____ I.
4. My mother made me_______ （clean） my room all by myself yesterday.
5. Please look carefully before you _______ （cross） the street.
6. There ______（not, be ） enough people to pick apples last September.
7._______ Mary ______ （move） to Japan a few weeks ago?
8. There ______ （be） no schools here in the past.
9. They ______ （plan） to go to Kunming for a holiday now.
10. Please don't forget______ （turn） off the lights before you leave.
1．must wait 2．to be 3．ate did 4．clean 5．will cross
6．aren't 7．Did move 8．is 9．are planning 10．to turn
