One reason Crystal has become so famous is that he is very quick thinking, and is often able to _____ new jokes about the people and things around him.
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A
come up with
B
come across
C
come up
D
come to
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It is the first time I ______ this kind of music.
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A
heard
B
am hearing
C
have heard
D
had heard
A poet and journalist ________to give us a speech tomorrow in our school .
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A
is said.
B
are said
C
is saying
D
are saying.
－Why does the river smell terrible?－Because large quantities of water______．
#100039
A
have been polluted
B
is being polluted
C
has been polluted
D
have polluted
The first edition in 1955 and a best seller ever since.
#101874
A
was published; had been
B
had been published; had been
C
has been published; has been
D
was published; has been
No decision about any future appointment until all the candidates have been interviewed.
#104867
A
will be made
B
is made
C
is being made
D
has been made