Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
A. lose his heart B. lose heart
C. break his heart D. make up his mind
The plant is dead. I _____ it more water.
A. will give B. would have given C. must give D. should have give
It is said that in Australia there is more land than the government knows _______.
A. it what to do with B. what to do it with
C. what to do with it D. to do what with it
The discussion ________ alive when an interesting topic was brought in.
A. was coming B. had come C. has come D. came
Lily， help me put up the picture on the wall， ？
A. will you B. don’t you C. are you D. didn’t you
Is this the factory ___ you visited last year?
A. the one B. where C. that D.which
