Scientists in some countries have done a lot of work to _____ the moon.
| A．cover | B．search | C．explode | D．explore |
It is nice to do something for someone else out of the blue and not to expect anything ______.
| A．in relief | B．in return | C．in turn | D．in need |
The 12 million people in Mexico City woke up on September 19th, 1985, to find their city ________ after the terrible quake.
| A．in trouble | B．on purpose | C．out of work | D．in ruins |
You can take the rest of the pie with you. ________, I wish you would, since I’m on a diet.
| A．On the other hand | B．As a matter of fact |
| C．As a consequence | D．In addition to it |
I am sorry I can’t spare any paper for you, for, you see, I have _____ myself.
| A．none | B．no one | C．neither | D．nothing |
—What is the man, do you know?
—I don’t know exactly. But I think he can be ________ but a teacher.
| A．anybody | B．something | C．anything | D．everybody |