The first few years in the 21st century ______ the rapid rise of China as a world economic power.
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A
witness
B
has witnessed
C
will witness
D
have witnessed
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He______to several European counties so far.
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A
was
B
has been
C
had been
D
will be
 Books such as Harry Potter and Tom Sawyer’s Adventures ______ for children.
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A
intend
B
intends
C
is intended
D
are intended
Thousands of teachers ________ into their new flats and the rest of them ________ for theirs. The government say many more apartment buildings________
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A
have moved; is waiting; are to be built
B
have been moved; are waiting; will be completed
C
have been moved; is waiting; will have been putting up
D
have moved; are waiting; are to be set up