In the past twelve months the research members ______ the effectiveness of many materials in a home building.
#102889
A
had studied
B
would study
C
studied
D
have studied
推荐题目
It’s reported that many a house ________ by the heavy snow so far in New York.
#99811
A
have been destroyed
B
has been destroyed
C
was destroyed
D
were destroyed
The result of the experiment was very good, ___________ we hadn’t expected.
#103395
A
as
B
that
C
which
D
what
Please give Jim the schedule for tomorrow's conference when he _______ back. He is to chairthe conference.
#100046
A
will come
B
came
C
comes
D
is coming
More than a dozen students in that school ________ abroad for further study every year.
#99399
A
sent
B
are sent
C
have been sent
D
have sent