—— Do you think you can repair this machine without help?
—— _________. This is not the first time for me to do so.
| A．Don’t worry. | B．All right. |
| C．Don’t mention it. | D．No problem. |
The teacher, with 6 girls and 8 boys of her class, ________ visiting a museum when the earthquake struck.
| A．was | B．were | C．had been | D．would be |
Now that she is out of a job, Lucy ________ going back to school, but she hasn’t decided yet.
| A．had considered | B．has been considering |
| C．considered | D．is going to consider |
—What’s that terrible noise?
—The neighbors ________ for a party.
| A．have prepared | B．are preparing | C．prepare | D．will prepare |
—Has Sam finished his homework today?
—I have no idea. He ________ it this morning.
| A．did | B．has done | C．was doing | D．had done |
I ________ you not to move my dictionary—now I can’t find it.
| A．asked | B．ask | C．was asking | D．had asked |