A. must to B. don’t have to C. mustn’t D. must
A. reading B. read C. to read D. to be re
A. don’t have to B. have to C. having to D. has to
A. mustn’t B. must C. don’t have to D. has to
A. turn it off B. turn it on C. turn it at D. turn it of
A. nobody B. somebody C. everybody D. something
A. see the return B. find our way back C. look our way back D. find out way back
A. better B. good C. best D. worst
A. to study B. studying C. to studying D. studies
A. in accident B. by accident C. on accident D. with accident