________this room yesterday?
A. are locked
B. covers
C. Did somebody clean
D. was sent, arrived
E. are employed
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Water________most of the earth’s surface.
A. are locked
B. covers
C. Did somebody clean
D. was sent, arrived
E. are employed
The park gates ________ at 6.30 p.m. every evening.
A. are locked
B. covers
C. Did somebody clean
D. was sent, arrived
E. are employed
The letter________a week ago and it ________yesterday.
A. are locked
B. covers
C. Did somebody clean
D. was sent, arrived
E. are employed
I________a letter from him since he left.
A. didn't receive
B. haven't got
C. didn't have
D. haven't heard
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