— 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
---Whose letter is that? --–The letter ___________in French is to Li Lei.
---Look! Why are there so many people?---There are some policemen. I think there must be a traffic accident _____in the street.
---Why didn't you go to the party last night? --- Because I ___________.
His grandfather _____________ for over two years.
---This wine tastes a little bit strange. ----That's really so. It is made _______ apples.