____ we'll go camping tomorrow depends on the weather.
| A．If | B．Whether | C．That | D．Where |
Many policemen and soldiers are ______ the forest _____ the prisoner escaping from prison.
| A．searching for; searching |
| B．searching; searching |
| C．searching; in search of |
| D．in search for; searching for |
Facing the ________situation, the boss of the company looked____.
A. puzzling, puzzled B. puzzling, puzzling
C puzzled, puzzled D. puzzled, puzzling
As we all know, _________ car is becoming _________ popular way of transportation in big cities.
| A．the; a | B．a; / |
| C．the; / | D．a; the |
The climate is changeable in this area. You should prepare more clothes ___________ the sudden change of weather.
| A．in charge of | B．in place of |
| C．in honor of | D．in case of |
Any behavior that is repeated enough times will ________ become a habit and happen automatically.
| A．frequently | B．eventually |
| C．regularly | D．constantly |