_______ from space, the earth, with water _______seventy percent of its surface, looks like a blue ball.
A. Seen, covering
B. Seeing, covering
C. Seeing, covered
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I’m afraid that I can’t make myself_______ because of my poor English.
A. understand
B. understanding
C. understood
share 7 freeze 8 check 9 inform 10 record
A. 记录
B. 分享
C. 通知
D. 结冰
Bruce Lee is a world-wide ____.
Actor
B. Actress
C. Hero
D. Hroine
If a photographer wanted to take pictures of moving things in the year of 1840j, he had to__________.
A. watch lots of films
B. buy an expensive camera
C. stop in most cities
D. take many films and something else with him.
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