It is _______ unusual thing for us to find ________ UFO.
A．a; a B．an; an C．a; an D．an; a
— Where is Linda? — She _________in the supermarket.
A. shop B. shops C. is shopping
— ________ 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
