Questions and exercises are given by the computer, which decides ______ to move the students ahead, review an easier level, ____ give more work on the same level.
#80118
A
either, or
B
both, and .
C
whether, or
D
not only, but also
推荐题目
________ a high percentage of Australians may be people who watch sports rather than do them, as far as most of its population is concerned, it is indeed a great sporting nation.
#33020
A
While
B
as
C
If
D
Whether
“I think we need to pay more attention to the artistic and cultural work that goes on in every neighborhood in this city,” Ms Martin said. “We are part of _____ makes New York unique.”
#31878
A
what
B
that
C
which
D
it
(2011·四川)As is reported，it is 100 years ________ Qinghua University was founded.
#30451
A
when
B
before
C
after
D
since
The roof fell ________ he had time to dash into the house to save his baby.
#80270
A
as
B
after
C
until
D
before
My brother has his own business — that’s also ______ I expect to do after I graduate from Harvard University.
#31626
A
why
B
when
C
that
D
what