The number of foreign students attending Chinese universities ________ rising steadily since1990. 
#37896
A
is
B
are
C
has been
D
have been
推荐题目
Tom usually _________ a bike to school. Look, he _______ to school now.
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A
rides; is riding
B
is riding; is riding
C
rides; rides
D
is riding; rides
-Do you like the skirt ? -It _______ soft.
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A
is feeling
B
felt
C
feels
D
is felt
Yesterday the teacher told us that the earth ________around the sun.
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A
moved
B
moves
C
was moving
D
had moved