Scientists who study noise say that average noise level in this district is as high as 70. 3 decibels.
A. /;the B. /;an C. the;an D. a;the
Before the Kings returned home, the house thoroughly.
A. has cleaned B. had cleaned
C. has been cleaned D. had been cleaned
I here earlier. I never thought the ear would break down halfway.
A. could come B. should come
C. would have come D. may have come
We could hear the noise of the kids before entering the room.
A. shouting and crying B. being shouted and cried
C. to shout and cry D. shouted and cried
The computer system crashed and I lost of work.
A. three hour’s worth B. three hours’ worth
C. three hours’ worthy D. three hour’s worthy
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