1.
根据下列句子及所给汉语注释，写出空缺处各单词的正确形式（每空一词）。
(1)
April is the (第四)month of the year.
(2)
The (努力)you work, the more progress you'll make.
(3)
There will be a high-speed railway, (在……之间）Ningbo and Zhoushan.
(4)
The use of new energy cars helps to reduce air (污染）.
(5)
Drinking too much juice can be (有害的) to people's teeth.
(6)
I met a friend of （她的）in the street yesterday.
(7)
I can't hear you (清楚地）. Please speak a little bit louder.
(8)
—Who is （敲）at the door?—Maybe it's the postman.
(9)
Liu Chuanjian is considered a (英雄）because he safely landed the damaged plane.
(10)
Mr. Smith (亲吻）his wife and kids before he goes to work every day.