你想知道你的朋友什么时候睡觉,你可以怎样问他呢?A、When do you go to bed? B、What time is it?C、When do you get up?
What _______ you do? I ______ smoke. A. is … can’t B. mustn’t … must C. shouldn’t … shouldn’t
What’s wrong _______ you? I have a toothache. A. with B. for C. about
______ are the polka dot slippers?80 yuan. A. How B. How much C. How many
Wild geese change homes ______ every year. A. second B. two C. twice
How many ______ a year do you visit Shanghai? A. times B. a time C. time