_ Lily _ Lucy is going with you because one of them must slay at home.
—_____ will your English teacher come back? —In two days. A. How often B. How long C. How soon
Boys and girls, the books in the library should______ good care of. A. take B. are taking C. be taken
—How do you go to school every day? —____ bus. I think it is good for the environment to take a bus. A. On B. At C. By
— Which do you prefer, green tea or coffee? —________, thanks. I'd like a glass of water. A. Either B. Neither C. Both
—Hi, Jack, there is ________ useful book on the desk. Whose book is it? — It belongs to my brother. A. a B. an C. the