When I called Mr. Li, he and his wife ________ in the rain.
#44704
A
trapped  
B
were traped
C
were trapped 
D
were trapping
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Trees         in winter but in spring.
#44843
A
not can be planted
B
can be planted
C
can’t be planted
D
can plant
—Mr. Black, may I leave now?—Well, if your work ________, you can go home.
#44700
A
finishes
B
is finished
C
has finished
D
will be finished
The mayor is happy to find that many trees _______ in our city last year. 
#44369
A
plant
B
were planted
C
planted
D
are planted