When our parents are not at home, we need to ______ ourselves.
| A．look after | B．look at |
| C．look up | D．look around |
—You won the first prize in the last Physics competition once again.
—___________. I made several mistakes.
| A．Congratulations | B．It doesn’t matter |
| C．Don’t mention it | D．You must be joking |
— Has your mother ever been to London?
Yes ,and ____ . We went together.
| A．so have I | B．so I have |
| C．neither I | D．neither I have |
_____ Jack ______ Jim has been to to China, but _____ of them knows little about China in fact.
| A．Either; or; both | B．Neither; nor; both |
| C．Not only; but also; neither | D．Both; and; neither |
Nowadays, more and more people would rather ______ in the country, because there is ______ pollution than in the city.
| A．to live; more | B．living; more |
| C．live; less | D．to live; less |
My father plans _____ an article about new methods of ______ math.
| A．to write; learn | B．writing; learning |
| C．to write; learning | D．writing; to learn |