牛奶吧
举报
1.There were no buses or taxis,so she____ walk home. A. has to B.may C.can D.had to 2.I can go out ____school nights,but I have to be back _____ nine o'clock. A. at; by B.on; after C.on; by D.in; for 3.He says he is coming back ______ later. A. two hours B. two o'clock C. this week D.this Sunday