Recycling is one way to protect the environment; reusing is _____.
| A．another | B．the other | C．one another | D．one |
I have no _______ to the plan, so long as it would not cost too much.
| A．objection | B．comment | C．idea | D．refusal |
–I find Chinese people are helpful when traveling around China.
–You’re right. I like ______ when people are friendly and helpful.
| A．that | B．it | C．one | D．them |
As high school students, it’s very important to keep ourselves ______ of what’s happening home and abroad every day.
| A．to inform | B．informing | C．informed | D．be informed |
---Why do you look so upset?
---There are so many troublesome problems _____.
| A．remaining to be settled | B．remained settled |
| C．remaining to settle | D．remained to be settled |
— Alice told me you called yesterday.
— Yes, I had a problem with Jane, ___________I thought you could help me with, but you were not in.
| A．who | B．whom | C．that | D．which |