The secretary worked late into the night, ______a long speech for the president.
#98365
A
to prepare
B
preparing
C
prepared
D
was preparing
推荐题目
According to the engineer, there remain some tests _____ before the machine is put into operation.
#91175
A
carrying out
B
carried out
C
being carried out
D
to be carried out
The monument was built in honor of the explorer who was believed ________ the big river.
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A
to have discovered
B
to have been discovered
C
to discover
D
having been discovered
Since you have found it hard to learn Spanish，why not try ______foreign language？
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A
to learn a second
B
learning a second
C
learning the second
D
to learn the second
The discovery of the stolen car led to .
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A
the thief having caught
B
the thief catching
C
the thief being caught
D
the thief to be caught