This chemical works _____.
| A．is rebuilding | B．is being rebuilt | C．are being rebuilt | D．is being rebuilt |
The news of the Ministry's coming to our school for a visit was ____on the radioyesterday.
| A．turned out | B．found out | C．given out | D．carried out |
When if he hadany idea what the novel was about, Jack kept silent. He have read it very carefully.
| A．asking; needn't | B．asking; shouldn't | C．asked; can’t | D．asked; mustn’t |
Shopping on the net is more and more popular. Taobo is Asia's largest retail (零售的) network platform, ______ people can buy and sell many kinds of things.
| A．which | B．where | C．what | D．whose |
The newly-published book, which refers basic English grammar, is only for beginners.
| A．as; meant | B．to; considered | C．for; intended | D．to; intended |
Only when the war was over .
| A．did everything he take back | B．was everything taken back |
| C．did everything take back | D．has he taken everything back |