---How far can you run without stopping?
---- I’ve never tried.（2013，山东）
| A．Don’t mention it. |
| B．That’s all right. |
| C．I have no idea. |
| D．Go ahead. |
Fortunately , the adventurers brought the GPS with themselves, they might have been lost in the desert.
| A．of which | B．without which | C．in which | D．about which |
It is uncertain side effect the medicine will bring about , though about one thousand patients have taken it.
| A．that | B．whether | C．what | D．how |
After much consideration, the president decided to _______ her suggestion.
| A．adopt | B．adapt | C．survive | D．starve |
In my opinion , Tianjin is not as expensive in price as Beijing but Tianjin is in traffic.
| A．the most organized | B．more organized |
| C．so organized as | D．as organized as |
The employees feel so excited ! At this time tomorrow morning they to Sanya, one of the most attractive cities in China.
| A．will be flying | B．will fly | C．have been flying | D．have flown |