.
The teacher tells his students to _______the dictionary for the new word.
| A．look up | B．consult | C．consult about | D．look over |
If someone falls off the ladder and gets seriously hurt, you’d better leave him _____ he falls and try to get help.
| A．before | B．when | C．where | D．what |
Martin Smith who, at 22, is one of the male nannies(保姆) admits that it will be some time ____ male nannies are totally accepted.
| A．since | B．until | C．before | D．after |
—Look! How long ______ like this?
—More than 20 days! It’s usual here that rain pours without stopping in May.
| A．did it rain | B．is it raining |
| C．has it been raining | D．doesn’t rain |
The man tried out several means to have those people ______ what he said.
| A．carry on | B．break out | C．stand by | D．get across |
Facts prove that the world’s economic development is not a win-lose game but one in which all _____ be winners.
| A．can | B．shall | C．must | D．would |