Teenage is an especially important stage for us, ______we are supposed to go all out to improve ourselves because anything can happen.
| A．what | B．where | C．which | D．that |
If you ask the fast runner to set the pace，then most of them will be left________.
| A．alone |
| B．behind |
| C．back |
| D．out |
－What do you know about the traffic accident________yesterday?
－It was the drunken driver who was________for it.
| A．occurred；to blame |
| B．occurring；to blame |
| C．to be occurred；to be blamed |
| D．occurring；to be blamed |
The new law has come into________；surely it will have________on industry of the country.
| A．affect；an effect |
| B．effect；affect |
| C．effect；an effect |
| D．an effect；an effect |
“They are required to keep a twometer________from everyone else during the quarantine (隔离)period，” experts say.
| A．length |
| B．width |
| C．distance |
| D．space |
You are driving me mad，Jack! My patience is ________.
| A．using up |
| B．running out of |
| C．getting out |
| D．running out |