-----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.
| A．must; mustn’t | B．must; can’t | C．can’t; mustn’t | D．can’t; can’t |
Betty’s brother isn’t old enough to look after ____.
| A．yourself | B．herself | C．himself | D．themselves |
— Why must I wear my school uniform, mom?
— Because you are a student. You are _________ to wear your own clothes to school.
| A．allowed | B．not allowed | C．allow | D．not allow |
— Helen, your English is pretty good. How can I improve my English?
—I think you can improve your English ______ reading more.
| A．at | B．by | C．on | D．for |
Super Junior is ________ great group. I really like their songs and dances.
| A．不填 | B．an | C．the | D．a |
Liu Xiang runs ________ fast ________ no one can catch up with him.
| A．very; that | B．such; that | C．so; that | D．too; to |