He made up his mind to devote his life_______ pollution_______ happily.
| A．to prevent； from live |
| B．to prevent； from living |
| C．to preventing； from living |
| D．to preventing； to live |
The digital camera is very popular. But some still ____ too much.
| A．pay | B．spend | C．cost | D．Take |
I don’t mind _____ at me.
| A．he shouts | B．he shouted |
| C．his shouted | D．his shouting |
The price of this camera is quite _____ . I don’t have enough money to buy it.
| A．expensive | B．high | C．cheap | D．Low |
---How do you study English?
--- _____ watching English movies.
| A．Of | B．From | C．By | D．To |
My brother has ___ come here, but my sister hasn’t ____.
| A．already; already | B．already; yet |
| C．yet; already | D．yet; yet |