. -How do you come to school?-By bike. Taking a bus may _______ much money. And walking _______ too much time.
Which book is ______ to understand, this one or that one?
I phoned Sarah last night, ______ there was no answer.
I always go skiing with my friends ______ winter.
The students are talking about ______ holiday plans happily.
--Would you please tell me __________________? -- At 10:00 this evening. A. when will the train leave B. when the train will leave C. when does the train leave