问题
选择题
Thanks to the heavy rain, the football match _____ until next week.
A.must put off
B.must have been put off
C.has to put off
D.has to be put off
答案
答案:D
Thanks to the heavy rain, the football match _____ until next week.
A.must put off
B.must have been put off
C.has to put off
D.has to be put off
答案:D