—Study hard, ______ you won’t pass the exam. —I see, Mum.A. or B. and C. but
John _______to come to the teacher’s office just now. He may be in trouble.
I know you are busy, but you look pale. You’d better ___________a good rest.
Thousands of people have to leave the village ____ they love deeply because of the pollution.
--Could you please tell me ________________? --Outside the museum.
I don’t like hot weather. This summer I want to stay in Yunnan, because the weather there is _________ Guangzhou.