I am afraid of water. I go swimming in the river.
| A．often | B．usually | C．never | D．always |
It’s very niceyou tome about it.
| A．for; tell | B．of; say |
| C．for; speak | D．of; tell |
Pollution does great harm to our health. It’s necessarythe environment.
| A．of us to protect | B．for us to protect |
| C．of us protecting | D．for us protecting |
The house isn’t _________ for them _______
| A．enough large ; live in | B．large enough ; live in |
| C．enough large ; to live in | D．large enough ; to live in |
The detective story was so exciting that Tom wanted to finish ________ it as soon as possible.
| A．reading | B．reads | C．read | D．to read |
_________ is not just _______.
| A．Communicating ; speak | B．Communicate ; speak |
| C．Communicate ; speaking | D．Communicating ; speaking |