The old couple have been married for 40 years and never once ____with each other.
| A．they had quarreled | B．they’ve quarreled |
| C．have they quarreled | D．had they quarreled |
After ten years’ hard work,heall his debts finally.
| A．paid back | B．paid off | C．paid for | D．paid out |
The trousers are dirty and wet,I’ll change into my .
| A．another | B．trousers | C．others | D．other |
The students in our classa lot from the reading activity.
| A．charged | B．demanded | C．benefited | D．contributed |
—The weather here in summer is so changeable. Please take an umbrella when you go out.
—________.
| A．Well, don’t worry | B．Well, it just depends |
| C．Oh, take it easy | D．OK, just in case |
—English has a large vocabulary, hasn’t it?
—Yes. _____more words and expressions and you will find it easier to read and communicate.
| A．Known | B．Knowing |
| C．To know | D．Know |