1. It turned out that we _____ rushed to the airport as the plane was delayed by several hours.

A. hadn't                   B. should have                  C.needn't have        D. mustn't

2. Weaving matsin Dinh Yen , Dong Thap used to be sold in the ghost markets set up at night and operate up to early morning _____ the government built a new market five years ago.

A. after       B. as soon as       C. when       D. until

3. Since changing the way of production, many craftsman have voluntarily joined together to for_____.

A. cooperative       B. cooperatives       C. cooperates       D. cooperation

4.I don't like to ask people for help but i wonder if you could _____ me a favour.

A. make       B. do       C. find       D. pick

5. Nowadays, Tan Chau artisan can produce silk of multiple colours ____ they can meet customers' demands.

A. but       B. in order       C. so       D. so that