【正文】 ) am really sorry that I can’t visit you because I have to help my sister___________. A. learning math B. learns math C. for learning math D. with learning math ( ) 9. ______her concert is at nine o’clock. You shouldn’t be late. A. May be B. Maybe C. May is D. Maybe is ( )10. Thanks ________your help, and now I made great progress in my chemistry. A. to B. with C. for D. at ( )11.—Miss Smith, must I finish homework now? –No, you _____. But you must do it after school. A. must B. can C. mustn’t D. needn’t ( )12. There’s no fun spending the whole day _____the piano. A. practice playing B. to practice playing C. practicing playing D. practicing play ( )! Your father is too tired and is sleeping now. A. Keep quite B. Keep quiet C. Keep quietly D. Keep quietly ( ) have to study _____our English test and we are busy _____what we learnt. A. at, review B. for, reviewing C. on, reviewing D. for, review ( ) call me______83645247 if you pick up the book I have lost. A. at B. on C. in D. of （ 15分） can___________(invitation) many famous movie stars to join the pa rty. for _________(tell) me the way to work out the math problem. hope that they can have fun ________(train) on the beach. are many great _________(different) between the picture and the other one. is busy__________(write) a letter to her pen pal in the USA. have __________(too many) homework to do this weekend. am __________(real) sorry to break your glass. I’ll buy a new one for you. girls’ parents are out so I have to __________(babysit) her. am trying __________(study) Chinese well and what about your ________