. When the last prize had been awarded _____ everybody cleared off.
| A．and | B．so |
| C．or | D．不填 |
We were sad to learn that several students were by a car yesterday.
| A．hit out | B．knocked over |
| C．run across | D．picked up |
children believe they can succeed, they will never become totally independent．
| A．If | B．Though | C．Unless | D．When |
The climate conference was attended by 11,000 people, it the largest UN gathering ever held.
| A．making | B．to make | C．made | D．to be making |
Bob's lectures a fairly wide range and I can't sum up what he says in a few sentences.
A. covered B. conveyed C. considered D
. commanded
They don't feel safe in our town at night because it so dangerous. There's a robbery every week now.
| A．becomes | B．became | C．has become | D．had become |