---Lisa ,hurry up !The bus is coming .--Oh ,no . We______cross the street until the traffic lights turn green .A. mustn’t B. needn’t C. should
Could you tell me when ___________?
-Lily, are you ________ than Lucy? -- I guess so. But I’m smarter than Lucy, and I’m ________ of the two.
It takes ________ half an hour ________ on foot.
____she is tired, _______ Han Mei doesn’t stop working.
They go to the movies ________a month.