-Is Mr. Li in his office ?-No, he __________ in the office. He’s ill in hospital.
#75928
A
must be
B
can’t be
C
should be
D
needn’t be
推荐题目
--- Mum, could I play with my classmates for a while after I finish my homework? --- _______. But you must come back before supper.
#77775
A
Yes, you can
B
Yes, you could
C
No, you can’t
D
No, you couldn’t
