The train for the city at ten, so you have enough time to make preparations.
| A．leaves | B．is leaving | C．is to leave | D．is going to leave |
It was in Japan that the atomic weapon was used in 1945, and the power ____increased enormously ever since .
| A．is | B．has been | C．was | D．had been |
Only after you have known someone for some time _____to appreciate his real worth.
| A．do begin you | B．you do begin | C．do you begin | D．begin you |
----How useful do you think the Internet is as a_____ of information?
----I think it is fairly useful, but a lot of the information you find online is false.
| A．resource | B．source | C．tank | D．storage |
．----The research on the news bird flu virus vaccine is challenging and demanding．Who do you think can do the job?
----____ my students have a go ?
| A．Will | B．May | C．Shall | D．Must |
----Why were so many people trapped into buying the stock of the company?
----______enough money within one night .
| A．Get | B．Getting | C．To get | D．To be getting |