David doesn’t give up _______ he has failed in the experiment four times.
A. if B. while C. though D. since
Sally used to be ______, but now she enjoys meeting and talking to new friends.
A. active B. shy C. honest D. naughty
— I could look after ____ when I was five. — Really? I can’t believe it.
A. myself B. herself C. himself D. yourself
—When were you born?
—I was born ________ the morning of February 25th,1997.
A. to B. on C. in D. at
— What did your teacher say just now?
—She told me Lin is _____honest boy.
A. a B. the C. an D. /
我国是一个发展中国家，我们应该勤俭节约，使中国成为—个节约型的社会。我们中学生应该从身边的点滴做起，节约能源。你是如何做的？请你就这一个话题写一篇小短文，要求语句通顺，语法正诗，意思完整，80词左右。下列词语供参考(don't take…，recycle books and pa-per ,tum off …,take your own bags ,don’t use piastic bags ,cut down ,take care of- -)
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