1 . Having given _______ some national secrets to the enemy, the man was sentenced to prison. (用适当的词填空)

2 . The volunteers ________ (定期) contact with the community to help old people deal with tough problems in life. (根据汉语提示单词拼写)

3 . I know you’re interested in Chinese festivals, and_________(因此)I have chosen an album of paper-cutting for you. (根据汉语提示单词拼写)

5 . He said, “It’s ten o'clock now.” （改为间接引语）
→He said that it was ten o'clock ________.

6 . ______________ (因此), I suggest we live in harmony with the nature. （根据汉语提示完成句子）

7 . Hurry up, o________ we will be late for class. (根据首字母单词拼写)

8 . This kind of forest exists _______ (无处) else in the world. (根据汉语提示单词拼写)

9 . Shut the window,   ________ (否则) it'll get too cold in here. （根据汉语提示填空）

10 . Scientists generally agree that Earth's climate will warm up over the next 50 to 100 years __________ it has warmed in the 20,000 years since Ice Age.

A．as long as	B．as much as
C．as soon as	D．as well as