______ your timely warning, we would have been unaware of the danger.

A. In spite of               B. But for               C. Instead of            D. As for

The question then ______ that the supply of drinking water in the mountainous area is serious.

A. rises                        B. arises                 C. raises                D. assesses

―OK, $ 500, but that is my last offer.

―_______.

A. Good idea! B. What did you say? C. Oh, it's up to you.  D. OK, it's a deal.

To deal with the global financial crisis, China ______ the international community to help developing countries.

A. called on                 B. called up             C. called in              D. called for

I don't remember how many years ago ______ people began to grow crops.

A. it was when              B. it was that         C. was it when         D. was it that

 Bay, Amazon and Wall Mart are popular websites ______ people can sell goods to each other.

A. where                   B. which               C. when               D. whose

 ―_____ he have been chosen as captain of the football team?

―Yes, he______.

A. Can; must have            B. Must; must have   C. Can; must           D. Must; must

The Bank of China, having so far woven its network in 27 countries, ______ its business in Brazil in June 2009.

A. has started                  B. was starting        C. will start             D. started

What impresses me most is ______ he appears in front of others, he wears a sincere and charming smile.

A. what                       B. which                C. that where           D. that whenever

All the tickets have been sold out. ______ is left.

A. No one                  B. Nothing               C. None                 D. Not anyone