- Will you be available at three o'clock tomorrow afternoon? - No. I ______ a lecture then.
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A
are attending
B
will have attended
C
will attend
D
will be attending
推荐题目
 Various efforts over the centuries _________ to predict earthquakes to reduce the damage. 
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A
are being made
B
have been made
C
were made
D
were being made
Although the Eiffel Tower ______ to last for 20 years, it is still standing today.
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A
has designed
B
had designed
C
is designed
D
was designed
 No decision _____ about any new operations until we have discussed all the details. 
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A
is made
B
is being made
C
has been made
D
will be made