—Why,I didn’t get you on the phone.—We ________football on the playground when you phoned.
#62277
A
must be playing
B
must play
C
must have played
D
must have been playing
推荐题目
Frank is my pen pal, he _____________ Sydney, Australia.
#77197
A
lives
B
from
C
comes from
D
be from
Today, we _____ work as hard as people did in the past.
#76507
A
mustn’t
B
can’t
C
shouldn’t
D
don’t have to