题干
选词填空，用单词适当是形式填空
draw, look, see
①I can't ____ my pen. Where is it?
②You can ____ a beautiful doll.
③ ____, some birds can fly in the sky.
答案(点此获取答案解析）
see,draw,Look
”的一个必要不充分条件是（ ）
