1 . Stand with your knees slightly ________.（弯曲）（根据汉语提示单词拼写）

2 . The painting is e________ to be worth over 1 million dollars. （根据首字母单词拼写）

3 . It is ______ (估计) that 25% of all methane that released into the atmosphere came from farm animals.（根据汉语提示单词拼写）

4 . The trees _____ in the storm have been moved off the road.

A．being blown down

B．blown down

C．blowing down

D．to blow down

5 . Everything ________into consideration, they ought to have another chance.

A．to take	B．taken
C．to be taken	D．taking

6 . My husband came home from work at four o'clock, his task ___ early today.

A．finishing	B．finished
C．was finished	D．had finished

7 . ____________ with care, one tin will last for six weeks.

A．Use	B．Using
C．Used	D．To use

8 . The residents approve of the measure __________ so far in our city, ________ to bring a sharp rise in oil prices.

A．having been taken; intended	B．to be taken; intending
C．taken; to intend	D．taken; intended

9 . The producer comes regularly to collect the cameras ________ to our shop for quality problems.

A．returning	B．returned
C．to return	D．to be returned