1、 ①Tom, I went to the concert , is a friend of mine、
2、 It is the third time ___late this month、
3、 ① The invention she spent 2 years will do well to the world、
4、 It was in 1969___the American astronaut succeeded in landing on the moon、
5、 ① She brought forward a plan we couldn’t agree、
6、 He has left Beijing, ___a meeting is to be held、
7、 ① Is this the factory you visited last week?
8、 ① The English subject, I do well , is important in middle schools、
9、 This is the museum ___you saw the other day、
10、A、 when B、 which C、 as D、 that
11、 ① The house window faces south is for the doctor、
12、、We often think of the days ___we spent together on the island、
13、 Have you ever been to Shanghai, ____I left ten years ago?
14、His father died last year, ____made it impossible for him to go abroad、
15、 This museum is ___you visited the other day、
16、He must be from Africa, ____can be seen from his skin、