Great changes ________ since we entered E-times. And the computer is widely used throughout the world.
| A．have happened | B．have taken place |
| C．have been happened | D．have been taken place |
Sandy didn’t tell her parents that she was going home because she wanted to give them a _______.
| A．gift | B．call | C．surprise | D．note |
This is _______ difficult problem that few students can work it out.
| A．so | B．so a | C．such | D．such a |
It’s nice _______ Andy _______ me with my English study.
| A．at; to help | B．of; to help | C．with; help | D．of; help |
We will fly a kite as soon as your homework _______.
| A．finishes | B．will be finished | C．has finished | D．is finished |
They would rather _______ colours like orange or yellow than blue or white.
| A．use | B．to use | C．using | D．uses |