Until the present century, ________ demand for natural gas.
#94717
A
little
B
and little
C
there was little
D
was there little
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It is not expected ____ he said caused so much discussion at the meeting.
#93413
A
that
B
what that
C
what
D
that what
________ he returns to his native land.
#93046
A
It is long that
B
It is not before long that
C
It won’t be long before
D
It will be long until
It never _____ humans until the mid1990s that some animals can be cloned.
#92718
A
occur
B
is occurred
C
occurred to
D
occurred
It was not until she got home ______ Jennifer realized she had lost her keys.
#95163
A
when
B
that
C
where
D
before
________________________, and the problem would be straightened out（解决）.
#93947
A
A bit more effort
B
Having a little effort
C
If you have a bit more effort
D
There being a little effort