Mr Black has two sons, one of ________working as a doctor.
#91000
A
them
B
who
C
whom
D
whose
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Opposite the old town is the 5500 meters Yulong Xueshan Mountain, its peak_______ with snow.
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A
is covered
B
covered
C
covering
D
covers
_____ production up by 60%, the company has had another excellent year.
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A
As
B
For
C
With
D
Through
Suddenly they noticed a house with two big trees _______ in front of it.
#91236
A
to stand
B
standing
C
standed
D
stands
For example, don't keep looking at the ground or staring into space, or talk with your arms _____
#91039
A
cross
B
crossed
C
crossing
D
to cross
_______ the production up by 60%，the company has had another excellent year．
#91428
A
For
B
As
C
Because
D
With