Scientists photographed for the first time ever _____ wild gorillas used a stick to test the depth of a pool before getting into it, according to a recent study.
#59036
A
which
B
what
C
that
D
when
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The man ____ of shooting 16 schoolchildren was returned to Anhui Province police on Friday following his arrest by Beijing police, the Xinhua News Agency reported on Friday.
#59040
A
suspected
B
suspecting
C
being suspected
D
to be suspected
The sunlight came in____________ the windows in the roof and lit up the whole room.
#4833
A
through
B
across
C
by hour
D
each hour
John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we _____ each other a couple of times before that.
#4952
A
had been; have seen
B
have been; have seen
C
had been; had seen
D
have been; had seen
The collapse of the World Trade Centre has put US economy in a difficult ___________.
#4935
A
occasion
B
case
C
situation
D
background
.He suffered from a serious illness last year and I don’t know whether he is_____or dead now.
#5011
A
living
B
alive
C
live
D
lively