I won’t call you, ________ something unexpected happens.
| A．because | B．whether | C．unless | D．while |
While waiting for the opportunity to get, Henry did his best to perform his duty.
| A．promote | B．promoted | C．promoting | D．to promote |
What we expect from you is working hardhardly working.
| A．less than | B．rather than |
| C．as well as | D．as much as |
People are recycling many things which theyaway in the past.
| A．had thrown | B．will be throwing |
| C．were throwing | D．would have thrown |
- Why not buy a second-hand car first if you don't have enough money for a new one?
- That's a good.
| A． | saying | B． | question | C． | suggestion | D． | account |
When the sports heroat our party, he was welcomed with open arms.
| A． | turned up | B． | left off |
| C． | moved on | D． | got away |