________we went to visit Professor Smith, he________his research work.
#31550
A
The first time; devoted to
B
Whenever; was concentrate on
C
For the first time; was busy with
D
Each time; was absorbed in
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________ you’ve got a chance,you might as well make full use of it.
#80180
A
Now that
B
After
C
Although
D
As soon as
Cherry was afraid she wouldn’t fit in at her new school, ______ she made friends quickly.
#31210
A
for
B
so
C
and
D
but
Scientists say it may be five or ten years___________ it is possible to test this medicine on human patients.
#80316
A
since
B
before
C
after
D
when
The retired workers were invited to the company, surprise,changes had been so great over the years.
#33651
A
whose
B
who
C
to whom
D
to whose