相关题目
171. We have got to ____ a new way to solve this problem.
170. I agree to the idea ____ our staff should use recycled paper to save money.
169. It is a fact ____ most deaths from lung cancer are caused by smoking.
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?
