—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
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--What you for your vacation? --I plan to visit my grandparents.
#40530
A
do, do
B
are, doing
C
did, do
D
are, do
---Could you tell me when your father___back?---I’m not sure now. but when he ___next week, I’ll tell you.
#41852
A
return, comes
B
will come, returns
C
comes, will return
D
will return, comes
The fishermen knew little about the island when they there.
#42792
A
arrived
B
would arrive
C
arrive
D
have arrived