By the time my parents reached home yesterday, I __________ the dinner already.
#36344
A
had cooked
B
cooked
C
have cooked
D
cook
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—Excuse me, where is Mr Brown’s office?—Sorry, I don’t know. I ______ here for only a few days.
#42307
A
work
B
worked
C
have worked
D
will work
---Excuse me. You shouldn’t smoke here. Look at the sign “NO SMOKING HERE”.--Sorry, I ________ it just now.
#41863
A
doesn’t see
B
haven’t seen
C
didn’t see
D
hadn’t seen
---Great changes in our hometown since ten years ago.
#40580
A
have happen
B
have taken place
C
happened
D
have been taken place
— Is your father in?— No, he ______ for three hours.
#41589
A
was out
B
has been out
C
went out
D
has gone out