( )The teacher told me that the students I wanted to see were seen___ football on the playground just now.

A．playing

B．to be playing

C．play

D．to play

用must和mustn’t填空。
1. You _____ wait for the green light.
2. You______ play on the street.
3. You _____ pick flowers.
4. You _____take good care of young children.

按要求写单词或短语。
1. fly（过去式）___________ 2. invention（动词） _________
3. by air（同义词）_________ 4. by car（同义词） __________
5. fast（反义词）___________ 6. green tea（红茶） _________
7. horse（复数）____________ 8. difficult（反义词） __________
9. ride（现在分词）__________ 10. our（人称代词主格）_______

按要求写词。
【小题1】country （复数）___________
【小题2】drink （复数）___________
【小题3】appear （第三人称单数）___________
【小题4】balloon （复数）___________
【小题5】Australia （形容词）___________
【小题6】love （名词）___________
【小题7】kangaroo （复数）___________
【小题8】go （现在分词）___________
【小题9】child （复数）___________
【小题10】also （同义词）___________

用下列单词造句。
1. often __________________
2. meeting room ________________
3. borrow _______________
4. have class _________________
5. go __________________
6. this _________________