—Do you know whose dictionary it is?
—It ________ be Ann’s. Look! Her name is on the first page.
| A．must | B．could | C．might | D．can |
When I got to Linda’s home yesterday, she _______ her mother with the housework.
| A．help | B．helps | C．was helping | D．is helping |
--- How do you like English, Lingling?
--- I think it’s a little _____ than maths.
| A．easy | B．easier | C．easiest | D．the easiest |
--- Can you make a kite for me?
--- Sorry, I _____.
| A．needn’t | B．can’t | C．mustn’t | D．shouldn’t |
---I called you yesterday evening, but no one answered.
---Oh, I ____ shopping with my mother.
| A．go | B．goes | C．went | D．gone |
The teacher always tells us not ___ any chance because it can help you grow up.
| A．to miss | B．miss | C．missing | D．missed |