Do you think ______ important _______ us to learn a foreign language?
#94745
A
that; of
B
it; for
C
this; is
D
that; for
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________ something wrong with the machine, I am afraid.
#94080
A
There seems to have
B
There seems to be
C
He seems to be
D
It seems to be
It was the first time Mary _____ such a big opening ceremony.
#92294
A
has attended
B
attended
C
had attended
D
should attend
It is the first time I ____ to visit the Great Wall. 
#92611
A
came
B
come
C
have come
D
had come