叶片由____ 、____ 、____ 三部分构成。
____
下列各数(-2)0 , - (-2), (-2)2, (-2)3中, 负数的个数为 ( )
What's your favourite subject?
Do you like playing ... ?
Can you play the ...?
Name ____
Age ____
Favourite subject : ____
Favourite sport :____
Musical instrument :____
