三
3. _______ grandpa, father, children
children （因为这是复数，其他是单数而且是同属家人类别）
（ ）2. A. Don't touch your eyes.
B. Don't touch your mouth.
C. Touch your mouth.
B. 因为图上有禁止标志。
（ ）5. Children, wash _______ hands.
A. you B. your
B.
you 你
your 你的；你们的
5. ______ hand, have, head
have（有，是动词）；hand / head是身体部位，名词
（ ）2. ______ touch your feet.
A.
Don't + 动词：不要做....
Not + 名词：不是xxx
（ ）6. A. This is my foot.
B. These are my feet.
C. This is my leg.
B. 图中有2只脚，复数。不选foot；不是腿，也不选leg