选出一个与其它三个不属于同一类的单词,并将序号填入题前的括号里。
（1）A.forty B.bag C.four D.ten
（2）A.English B.Chinese C.ruler D.music
（3）A.pen B.yellow C.red D.purple
（4）A.short B.computer C.tall D.quiet
（5）A.notebook B.board C.wall D.door
（6）A.fan B.window C.long D.floor
（7）A.in B.on C.under D.door
（8）A.thin B.long C.three D.short
（9）A.cat B.dog C.red D.duck
（10）A.pencil B.ruler C.book D.man
Can yellow leaves ____________ food?
A. makes
B. makeing
C. make
Leaves must ____________ green to make food for plants and trees.
A. is
B. be
C. are
They ____________ sunlight，air，and water.
A. need
B. needs
C. needes
What do they need ____________ food?
A. to make
B. make
C. making
—____________ is it?
—It's yellow.
A. Which color
B. What color
C. What