Susan and I can go to the lecture ___.
| A．but neither can Charles | B．and so Charies can |
| C．but Charles can’t | D．and Charles also can |
Recycling is one way to protect the environment；reusing is________.
| A．another | B．the other |
| C．one another | D．one |
At our factory there are a few machines similar to ________ described in this magazine.
| A．them | B．these |
| C．those | D．ones |
It’s an eitheror situation －we can buy a new car this year or we can go on holiday but we can’t do________.
| A．others | B．either |
| C．another | D．both |
My mom suggests that we________eat out for a change this weekend.
| A．should | B．might |
| C．could | D．would |
I should not have laughed if I________ you were serious.
| A．thought | B．would think |
| C．had thought | D．have thought |