About ___________of the workers in the factory were born in__________.
| A．three-fifths, 1970s | B．three- fifths, the 1970s |
| C．three- fifth, the 1970s | D．three- fifth, 1970 |
–Dave, we will leave in ten minutes. Are you ready?
--No, I ____________ our guide book and towels yet.
| A．don’t pack | B．didn’t pack |
| C．have packed | D．haven’t packed |
At last, the boy was made _________and began to laugh.
| A．stop crying | B．to stop to cry |
| C．stop to cry | D．to stop crying |
The little boy pretended ____________when his mother came in.
| A．sleeping | B．asleep |
| C．to asleep | D．to be asleep |
Bill doesn’t like the sunglasses in the ad because they can’t _____________the sun well.
| A．take out | B．keep out |
| C．clean out | D．look out |
-- Look! Mary is working hard.
--Yes. She is _________________Being University.
| A．aiming | B．aiming to |
| C．aiming at | D．going |