______, most of the spelling mistakes can be avoided.
| A．Checking your composition carefully | B．Check your composition carefully |
| C．If you check your composition carefully | D．Your composition is carefully checked |
— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.
| A．was doing | B．did | C．had done | D．would do |
. He is ____ China Daily. In other words, he works ______ China
Daily.
| A．on; for | B．for; on | C．in; at | D．at; on |
—You seem to have had that car for years.
---Yes, I should sell it ____ it still runs.
| A．before | B．during | C．until | D．while |
. Do you know the girl _____ just now?
| A．to who I nodded | B．I nodded to |
| C．I nodded to her | D．that has been seen |
Now, children, it’s time you _______.
| A．washed and dressed | B．are washed and dressed |
| C．will wash and dress | D．were washed and dressed |