— 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
---Mum, it’s late. Why are you still here?---Dad hasn’t come back yet. I _____ for him.
--- Can you tell us what to do next, Miss White?--- Please turn to Page _____ and look at the _____ picture.
_____ Lisa _____ lily may go with you because one of them must stay at home to look after the dog.
---Lingling says Miss Yu has gone to Shanghai, _____ that be true?---It _____ be true because I saw her in the office just now.
The two pictures look the same to me. It’s hard to _____ one from the other.