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---Sorry, but what did you say? I ____ about something else.
A. think B. thought
C. am thinking D. was thinking
3. ---I came to your home yesterday afternoon, but nobody
was in.
---Oh, we ______ some shopping in the supermarket.
A. have doneB. did
C. were doing D. are doing
4. ---I called you at half past nine this morning, but there
was no answer.
---Oh, sorry. I _____ with my cousin in the supermarket.
A. shop B. was shopping
C. shopped D. will shop
5. His parents wanted to know what he ______ at that time.
A. is doing B. was doing
C. has done D. will do
6. When I went to say goodbye to Anna, she ______ the
piano.
A. is playing B. plays
C. was playing D. played
7. ---What were you doing this time yesterday?
---I _______ my bicycle.
A. is repairing B. repaired
C. had repaired D. was repairing
towels
毛巾
traffic rules 规则
railway 铁路
run as soon as possible
尽可能跑