--- _______ clever the boy is! ---So he is.
A. What B. What a C. How
--- They prefer to walk to the shop rather than_______ in their cars.
A. to go B. going C. go
--- What’s the number of students in your classroom?
---It’s about fifty. __________ of them are girls.
A., Two third B. Two
thirds C. Second third
— Jane, is this your dictionary?
— Yes, it's . Thank you.
A. me B. my C. mine
---What _____ useful book! And ______ book is popular with students.
A. a, a B. a, the C. the , the
众所周知,树木在人们的生活中起着非常重要的作用,请根据下面的提示写一篇80词左右的英语短文。
树木的作用：树木能为人们提供建筑和制造桌椅纸张的木材；可以制造氧气,
净化空气；……
2.保护措施：禁止乱砍乱伐；不用一次性纸杯；多种树。
