相关题目
168.---May I go to the cinema, mum? ---Certainly, but you ____ be back by 11 o’clock.
167. ---Excuse me. Is this the right way to the Summer Palace? ---Sorry, I’m not sure. But it ____ be.
166. ---Can you go surfing with us this afternoon? --- I’d like to, but I ____ look after my sister at home, because my mother is ill.
165. You’d better ____ me a call before you come to visit us.
164. The man in the office____ be Mr. Black because he went home just now.
163. I wish to go home now, ____ I?
162. Could you please tell me ____ you use this new machine?
161. It doesn’t matter ____ you pay by cash or credit card in this store.
160. In order to search for the escaped prisoner, the policeman decided to question ____ comes along this road.
159. I mailed the letter two weeks ago. She ____ it.
