--            you interrupt now? Can’t you see I’m on the phone? --Sorry sir, but it’s urgent.
#63488
A
Can
B
Should
C
Must
D
Would
推荐题目
The weather turned out to be fine yesterday. I ______ the trouble to carry my umbrella with me.
#62852
A
should have taken
B
could have taken
C
needn’t have taken
D
mustn’t have taken
Food safety is important. Rules        to stop people from food pollution.
#76536
A
must make
B
must be made
C
can’t make
D
can’t be made