下列每组单词中，有一个与所给单词不同类，将其序号填入题前括号内。
（1）panda A. tiger B. ruler C. zebra
（2）Monday A. day B. Tuesday C. Friday
（3）hand A. leg B. foot C. tape
（4）one A. three B. door C. seven
（5）doctor A. man B. teacher C. nurse
（6）white A. red B. brown C. skirt
（7）banana A. peach B. plane C. pear
（8）ant A. bee B. butterfly C. dog
（9）headache A. feel B. cough C. cold
（10）piano A. guitar B. blouse C. violin
You can go to school by _____. It snows a lot.
A. sled B. ferry C. plane
I must ______ the traffic lights.
A. look after B. pay attention to C. look for
There is a picture _____ a bike.
A. in B. of C. at
In the USA, people on bikes must ____ a helmet.
A. on B. put on C. wear
There are always three lights: red, yellow and ______.
A. green B. blue C. orange