—Is it for two months ______ they have stayed here?
—No,it is only three weeks ______they arrived here．
| A．that;since | B．that;when | C．when;that | D．since;before |
When I told him to make an apology, he________his eyebrows and said，“Apologize? Why？”
| A．held up |
| B．put up |
| C．came up |
| D．lifted up |
You will succeed in the end________you give up halfway.
| A．even if |
| B．as though |
| C．as long as |
| D．unless |
The WTO cannot live up to its name________it does not include a country that is home to one fifth of mankind.
| A．as long as |
| B．while |
| C．if |
| D．even though |
I was advised to arrange for insurance________I needed medical treatment.
| A．so that |
| B．in case |
| C．although |
| D．however |
You will be late________you leave immediately.
| A．unless |
| B．until |
| C．if |
| D．or |