4.　　　 It’s kind 　99　 　you to help me with my physics every day.

3.　　　 David is good at swimming. He often swims 　98　 　the river.

2.　　　 I don’t think the shirt looks nice 　97　 　him.

1.　　　 It’s not polite to speak to an old man 　96　 　that.

7.　　　 This is my first time to visit Hangzhou. (同义句) This is 　93　 　　94　 　　95　 　to Hangzhou.

6.　　　 Uncle Lee had a terrible headache yesterday. (反意疑问句) Uncle Lee had a terrible headache yesterday, 　91　 　　92　 ?

5.　　　 There was nobody else on this island. Only we were here. (同义句) We 　88　 　all 　89　 　　90　 　on the island.

4.　　　 He spent three days going over his lessons. (同义句) It 　85　 　him three days 　86　 　　87　 　over his lessons.

3.　　　 My mother doesn’t go to work by bus any longer. (同义句) My mother 　82　 　　83　 　　84　 　to work by bus.

2.　　　 “Don’t lose your key.” she said to her son. (同义句) She told her son 　70　 　　80　 　lose 　81　 　key.