What ________ you ________ at this time yesterday?
#37876
A
did, do
B
have, done
C
were, doing
D
are, doing
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I ________ my hometown for a long time. I really miss it!
#42325
A
left
B
went away from
C
have left
D
have been away from[
The teachers ________ on the blackboard with chalk in the future.
#39033
A
isn't writing
B
didn't write
C
don't write
D
won't write
—Did you meet the professor at the airport?—No，he ____ by the time I ____ there．
#42354
A
had left；got
B
has left；reached
C
was leaving；got
D
left；had got