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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._______he is working much harder, he won’t have any trouble passing the entrance exams.
#34817
A
Ever since
B
In case
C
Even though
D
Now that
She says that she’ll have to close the shop ________ business improves.
#31192
A
if
B
unless
C
after
D
when
The girl began to cry_____she saw the dog.
#30990
A
instant
B
the instant
C
in no instant
D
the instant when
You are saying that the plan will be carried out successfully, and it is ____ I disagree.
#31047
A
what
B
that
C
where
D
how