.Don’t make jokes in America. Even in experienced hands, a joke can be a dangerous thing. I came to this ______ recently while passing through Customs and Immigration in Boston..
| A．decision | B．position | C．conclusion | D．illusion |
Have you noticed the problem ___ he is now in low spirit ? ____ come?
| A．where, What | B．that, How | C．in which, For | D．what, As |
We have gathered nearly 100,000 quilts, ___ up to half have gone to the flood-hit areas.
| A．with which | B．in which | C．for which | D．of which |
Price is not the only thing customers consider before ______ what to buy.
| A．deciding | B．decided | C．to decide | D．having decided |
The sales department was required In ______ a plan in three weeks.
| A．turn up | B．get up | C．come up with | D．put up with |
Look at the clock! It's time ______ work.
| A．we started | B．we'll start | C．we're starting | D．we have started |