选择方框里所给的be动词填空

1. Are   am

2. Is  is

3. are

4. are

5. was

6. was  am

7. were

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1，【 Are 】you a student？ no，l【 am 】not
2，【 Is 】he from china no，he【 is 】not
3，you【 are 】my good friend
4，Steven and l【 were 】in the teachers‘ office a moment ago
5，where【 was 】his football just now
6，l【 was 】a student some years ago but l【 am 】a teacher now
7，the cds【 were 】on the bookcase yesterday morning