Each button, when ____, provides a piece of beautiful music.
A. clicked
B. having clicked
C. clicking
D. being clicked
—Who do you guess I am?
—Sorry, your name ____ my mind.
A. slipped
B. has slipped
C. had slipped
D. slips
—Can I help you with it?.
—I appreciate your _____, but I can manage it myself.
A. advice
B. question
C. offer
D. idea
—Hello, John. This is Alice. I’m calling from work. How’s your mother feeling?
—______. Mum is out of hospital, but she has to stay in bed for a few more days.
A. You are welcome.
B. That’s thoughtful of you.
C. What a pleasure.
D. By all means.
When I start to work, I have ____ better understanding of ____ society.
A. a; the
B. the; a
C. /; the
D. a; /
现在学生的视力下降是较为普遍的现象，请以“How to Protect Eyesight”为题写一篇100字左右的短文，要求内容如下：
分析视力下降的原因：如看书时间过长，在弱光下读书，经常使用电脑等。
提出至少两条保护视力的建议。
可以适当的增加内容，开头已经给出，不计入总字数。
How to Protect Eyesight
Nowadays many students wear glasses because they are short-sighted. It is a common phenomenon that more and more students` eyesights are declining.
