unit4 TV programmers
答案：1. 16. 2. yes. 3. she tried to practice reciting.
4. she tried to sing and dance 5.no, she isn’t.
二、根据句意，将句子补充完整：
1、least 2、discussion 3、death
4、dangerous 5、months’ 6、luckily
7、weekly 8、natural 9、directors’ 10、enjoyable
三、按要求改写句子：
1、i know nothing about it until my mother told me.
2、i like sports world best.
3、the basket was filled with vegetables a moment ago.
4、his grandparents have been dead for ten years.
5、why not discuss the matter later?
6、i find it difficult to learn any subject well.
7、stay here until the teacher comes back.
8、the number of the teachers in our school was two hundred.
9、he left the classroom later than any other student yesterday.
10、he walks too quickly for me to catch up with.
四、用正确的连词填空：(since, as, when, as soon as, while, if, after, before, until, because)
1、before 2、when 3、as.
4、while 5、after 6、until.
7、because 8、since 9、as soon as 10、if
