There are some trees near our school. They ________ last Monday. 
#37017
A
water
B
watered
C
have watered
D
were watered
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What ________when we were in the barber shop?
#37349
A
happened
B
was happened
C
happening
D
would happen
Don’t worry. The plane ______ at 8 a.m. There is still time left.
#38123
A
arrive
B
will arrives
C
arrived
D
arrives