转换句型（分别变否定句）（一般疑问句）（对括号的提问）
⒈They are (students.)
⒉she is (Kate.)
⒊He is (ten years old.)
⒋This pen is (blue.)
⒌That is (her) ruler.
⒍I go to school (by bike).
⒎I am in the (classroom.)
⒏This is (an eraser.)