---Look at the glasses on the desk．Are they David’s?
---They belong to him．I saw him go out with glasses just now．
| A．might | B．could |
| C．mustn’t | D．can’t |
— ________ are they doing? — They’re _________.
A. What, run B. What, running C. Who, running
Linda often _______ her homework in the evening, but this evening she _________ TV.
A. does; is watching B. is doing; watches C. is doing, is watching
She likes dogs _______.
A. a lot B. a lot of C. lot of
She______ Australia.
A. be from B. is from C. are from
He can walk________ two legs.
A. in B. on C. at