A. is , is B. are, are C. are , is

【题目】Linda will finish the work in two days.(对划线部分提问)
will Linda finish the work?

─ Yes. I often go there because I like to hear the birds _______.

A. to sing B. sing

C. singing D. are singing

--- Wow, That’s almost ________ of the world ‘s population.

A. one fifths B. half of C. one fifth

A. Sure. Here you are B. That’s all right C. Yes, please

A. fall B. movie

C. eraser D. vacation

─ Yes. He is _______ classmate of mine.

A. a; the B. the; a C. a; a D. the; the

--No, it isn’t . It’s Jenny’s

A. your, me B. your, mine C. you, my

A. Keeping, or B. To keep, and

C. Keep, and D. Kept, or

--I hope a policeman.

A. being B. be C. to be