1 . She had a copy of the painting boxed to e______ (确保) that it was delivered safely. (根据中英文提示填空)

2 . _________ the convenience of online payment, many old people started to use smart phones.

A．To enjoy

B．Enjoying

C．Enjoy

D．To have enjoyed

3 . They have decided to throw a party ______(celebrate) Grandma’s birthday. (所给词的适当形式填空)

5 . I’m writing to a ______ to be one volunteer of the coming Winter Olympic Games. (根据首字母单词拼写)

6 . Interest drove John to __________ (主攻) in biology to in college. (根据汉语提示单词拼写)

7 . This is a programme run by The Gorilla Organization to raise money to ________________________.
这是一个由大猩猩保护组织举办的活动，目的是募集资金保护世界上仅存的大猩猩免于灭绝。

8 . Why don’t you take some medicine to e______ the pain. （根据首字母单词拼写）

9 . When you finish your essay, you’d better turn to your teacher to p_________ it, which makes it more readable. (根据首字母单词拼写)

10 . Sara often does some sports or listens to music ________ herself.

A．relax

B．relaxed

C．relaxing

D．to relax