You ______ do it if you really don’t want to.

Jim_____to learn English well.
A.can       B.must     C.was able

--______you swim?
-- No, I can’t.

–What _______ Amy going to buy for the trip?
–She will buy some fish. What ____ we buy then?

– Do you know whose book this is?
—Let me have a look . It      Wei Fang’s . Look, here is her name.

---I argued with my best friend yesterday and I don’t know what to do now.
---Maybe you _______ say sorry to her.

— My  clothes are out of  style.
-—Maybe  you  should  ______ some new clothes.

-----Look! The girl dancing in the gym ____ be Joe. She is the girl who loves dancing too much, you know.
----- No, it ____ be her. Joe has gone to Shanghai.

---Whose book is this?  ---It ______ be Linda’s. It has her name on it. 

The light is on in Mr. Green’s room. He _______ be at home.