——How are you planning to travel to Shanghai?——I haven't decided yet, but I ______ taking a train.
A. considered
B. have considered
C. am considering
D. consider
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Unluckly, when I got there, she ______, so we had only time for a few words.
A. just left
B. had just left
C. has just left
D. was just leaving
The driver of the red car _____ when a black one came up very quickly.
A. was just starting
B. has just started
C. would just start out
D. is just starting out
——I'm not finished with my dinner yet.——But our friends _____ for us.
A. will wait
B. wait
C. have waited
D. are waiting
I walked slowly through the market, where people ____ all kinds of fruits and vegetables. I studied the prices carefully and bough what I need.
A. sell
B. were selling
C. has sold
D. have sold