根据句意,选用方框所给词语的适当形式天空.词语:happen ,be like ,fewer ,stand ,while ,too much ,sleep ,do ,about ,get.1.I ______ when there was a knock at the door.2._______ Tom was practicing the piano,I walked in.3.Don't bring candy to school.If you _____,the teacher will take it away.4.What ____if more people use cars?5.I had a talk with my best friend Lucy ____ this week's movie yesterday.6.If you study hard ,you ______ a good grade on the test.7.My mother told me not to

根据句意,选用方框所给词语的适当形式天空.
词语:
happen ,be like ,fewer ,stand ,while ,too much ,sleep ,do ,about ,get.
1.I ______ when there was a knock at the door.
2._______ Tom was practicing the piano,I walked in.
3.Don't bring candy to school.If you _____,the teacher will take it away.
4.What ____if more people use cars?
5.I had a talk with my best friend Lucy ____ this week's movie yesterday.
6.If you study hard ,you ______ a good grade on the test.
7.My mother told me not to watch ______ TV.
8.There will be ______ school buildings,but they'll be bigger.