— Susan, would you like to go hiking with us this afternoon?— I'd love to, but I study for a test.A. may B. have to C. can
---Few young people in China know about Lady Gaga , _______?---_______, she is quite famous here in China.
–Look! A man is cutting a tree on the moon.--It ______ be true. The teacher said there is no air on the moon.
All of us went to the park ______ Bob. He had to look after his sister.
I wonder when they ___ for Beijing. I will go to the train station to see them off when they ___.
–--Which would you like, tea or coffee? ---_______. I really don’t mind.