1 . 每当我感到孤独时,我有一个从不失败的秘密食谱:大米、牛奶和糖,小火慢煮。
__________ I feel lonely, I have a secret recipe that never fails: rice, milk and sugar, cooked low and slow.

2 . We’ve been taking various measures, including the use of new technologies, to reduce pollution in the production process, _______________.   
我们一直在采取各种措施，包括使用新技术，以减少生产过程中的污染，尽管这些措施提高了我们的生产成本。

3 . In the summer of 1405, Zheng He, one of China’s greatest explorers, set sail from Taicang on his first voyage. A fleet of over 200 ships navigated the blue seas. It would take 500 years _____________ a larger fleet sailed the seas. (用适当的词填空)

4 . 不管遇到什么困难，他们绝不放弃，在两天内完成了这么多任务。(过去分词做宾语补足语)
________, they never gave up and________within two days.

5 . Bear in mind ________ there is a will there is a way, so it is never too late to start so long as you are ________ ready to give yourself an opportunity.

A．that; so

B．where; too

C．that where; too

D．that if; so

6 . The business of each day, ________selling goods or shipping them, went quite smoothly.

A．it being

B．be it

C．was it

D．it was

7 . 无论你是谁,不允许你进入。
________, you’re not permitted to enter.

8 . I was observing and copying the behaviors of my cat ________ my mom came in, ________ with shock.

A．when; freezing

B．while; frozen

C．when; frozen

D．while; freezing

9 . 过去三年，我们齐心协力、共克时艰，始终相信：路虽远，行则将至。(as)(汉译英)

10 . ______ halfway through our exercise, the teacher changed her mind and collected all our papers.

A．When being

B．When we were

C．Since we were

D．Having been