– Have you ever been to the city before?– No. This is the first time I _____ here.
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A
was
B
have been
C
come
D
am coming
推荐题目
Today’s temperature_______ between ten and thirty degrees.
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A
change
B
ranges
C
is changed
D
is ranged
— _____ Mr Smith ____ this week?— No. He is on holiday.
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A
Has; worked
B
Does; work
C
Did; work
D
Is; working
The manager _______ the workers how to improve the program since 9 a.m. 
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A
has told
B
is telling
C
has been telling
D
will have told