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
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----Dad, can I go out to play basketball now ? ----- Sorry, you can’t ______you haven’t finished your homework.
#30714
A
before
B
until
C
as
D
unless
Jim came back early last night. It was not yet eight o'clock ________ he got home.
#30541
A
before
B
that
C
when
D
until
____ a computer works is a question ___ not everyone cad answer quickly.
#34313
A
That；which
B
How；that
C
What；which
D
When；that
You are saying that everyone is equal, which is ________ I can’t agree more.
#31474
A
where
B
what
C
that
D
how