Living things are dying out quickly. Let’s ask ____ destroying them in the past years.
| A．what part people have been playing |
| B．people have played in |
| C．what part people have played in |
| D．people have been playing what part |
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 |
The manager showed the new employee ______ to find the supplies.
| A．what | B．where | C．that | D．which |