新概念英语第2册练习册答案
2个回答

A

1 has gonw

2 have ... been

3 have... been

4 have been

5 have gone

6 has gone

7 has gone

8 have been

9 has gone

10 have...been

B

1 because i have already had it

2 no, i have not had my lunch yet.

3 but i have already asked him to take our order

4 of course we won't. it has not come into the station yet

5 i know. i have already read it

C

1 b

2 c

3 c

4

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