________ I regret most is that I have promised to make friends with the dishonest girl.
| A．How | B．What |
| C．Where | D．That |
In the rainforest of the Amazon, 50 to 150 plant species ______ every day.
| A．are being destroyed | B．are destroying |
| C．have been destroyed | D．destroyed |
— This is a good place for a picnic.
— Yes, it couldn't be ____ .
| A．better | B．best | C．worse | D．worst |
He was very busy yesterday, otherwise he ____ to the meeting.
| A．would come | B．would have come | C．came | D．had come |
Education knows no limits. It___take place anywhere, whether in a kitchen or in the job.
| A．should | B．can | C．need | D．must |
Most of the audience wondered what idea a man who’s deaf from birth can have__ music.
| A．with | B．in | C．of | D．at |