Who can _____that he finished his task alone?
— If we go on wasting water like this, we’ll _______ soon. — Yes, you’re right. We should try our best to save it. A. mix it up B. use it up C. use up it
There is a cat _______ a dog. A. chase B. chased C. chasing
Mike, do you know which CDs belong to _______? A. my B. ours C. us
It’s reported that a tiger escaped _______ the zoo yesterday. A. in B. on C. from
The work is so difficult that I don’t know _______ to do it. A. what B. how C. where