1 . We ________the evening until Frank________to an emergency.

A．enjoyed; had been called	B．enjoyed; was calling
C．were enjoying; was called	D．had enjoyed; has called

2 . When he finally raised the money for the violin, he returned to buy it but learned that it ________ to a collector.

A．was sold

B．have been sold

C．had been sold

D．will have been sold

3 . In the UK, when having dinner with your friends, you have to wait until everyone else ________ before you start eating.

A．has served

B．is being served

C．had been served

D．has been served

4 . 根据句意用，所给的单词或短语的正确形式填空，使句意通顺完整。

turn down       impress       reject       sharp       up and down

1. Though David received ________ from the school basketball team, he didn’t give up his dream and continued practicing hard.
2. In 1957, 23-year-old Jane Goodall first met the famous scientist Louis Leakey, who was ________ by her passion so much that he invited her to be his assistant.
3. Each of us will have ________ in our life; what is important is that we should learn to deal with them properly.
4. As is known to all, ________ writing skills is not an easy job. So you need to read a lot of books and practise writing regularly.
5. Before J.K. Rowling became successful, she ________ many times by the publishers. However, she never lost heart.

5 . Although many measures ________, the world's economy is still going down.

A．were taken

B．are taken

C．will be taken

D．have been taken

6 . The less energy you use, the less carbon dioxide is r_______（排放）, so replace a regular light bulb with a LED one. (根据中英文提示单词拼写)