It is usually warm in my hometown in March, but it _____ be rather cold sometimes.
| A．must | B．can | C．should | D．would |
—Whyso early? The movie doesn't start till seven．
—I don't want to be at the traffic there．It's terrible during the rush hour．
| A．have you left | B．do you leave | C．would you leave | D．are you leaving |
If itthe climate, I would stay here much longer．
| A．is not for | B．had not been for | C．were not for | D．would not be for |
Sinking in the cheers of people, David walked off the stage, tears droppinghe could stop them．
| A．after | B．when | C．until | D．before |
Days of snowstorms have left the cityunder thick layers of ice and some 50,000 homes without power．
| A．to be trapped | B．trapped | C．having trapped | D．being trapped |
Heavy smog blankets Beijing．,city authorities start using its new smog warning system．
| A．In turn | B．In time | C．In response | D．In return |