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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Our classroom is tidy because it ____ every day.
#44421
A
cleans
B
cleaned
C
is cleaned
D
was cleaned
—What a nice classroom! —It _____ every day.
#44598
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned