______nature reserves _______us learn more about protecting animals.
| A．Studying ; help | B．Studies ; helps | C．To study; helping | D．Studying; helps |
---Be careful. You might fall into the river.
---Thank you. I ________ I ________ so close to it．
| A．didn’t know; am standing |
| B．don’t know; am standing |
| C．didn’t know; was standing |
| D．didn’t know; would standing |
Mary, along with her parents ________ Hainan for a week and they will come back soon.
| A．have been to | B．has been in |
| C．have been in | D．has been to |
That little boy preferred ________ out to play rather than ________ TV at home.
| A．going; to watch |
| B．to go; watch |
| C．going; watching |
| D．to go; watching |
________ information! I hear you have finished writing a ________ report.
| A．What an excited; seven thousand word’s |
| B．What excited; seven thousand words |
| C．What an exciting; seven-thousand-word |
| D．What exciting; seven-thousand-word |
If you want to buy an expensive camera, we have several models for you ________.
| A．to be chosen | B．to choose |
| C．to choose from | D．for choosing |