--I like the black trainers．Can I ?
--OK，here you are!
| A．try it on | B．try them on |
| C．try on it | D．try on them |
Of all the subjects, art is ________.
| A．interesting | B．more interesting | C．the most interesting | D．much interesting |
_____ poor I am ! I ‘m going to find some part-time jobs.
| A．What a | B．What | C．How | D．How a |
Tom ______ be in his office so late that night. I saw him with his friends in the restaurant .
| A．can’t | B．may not | C．mustn’t | D．shouldn’t |
---How many children have you got ?
---Two , _______ of them are studying in the university.
| A．both | B．all | C．any | D．none |
We must pay attention to _______ the teacher carefully in class.
| A．listen | B．listening to | C．hear | D．hearing |