When the teacher came into the classroom, the students ____ in groups.
#39479
A
work
B
have worked
C
were working
D
are working
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—Your English is good.—Thank you. I _______ it for three years.
#40494
A
learn
B
learned
C
have learned
D
had learned
My father _______ at eight o’clock yesterday evening.     
#40211
A
atched TV      C. is watching TV
B
as watching TV D. watches TV
Hurry up! The film            for ten minutes.
#41770
A
began
B
has been on
C
has begun
D
will begin
Don’t go out. It _____ hard.
#40309
A
rain
B
rains
C
is raining
D
are raining