- Does Frank like cartoons?
- Yes, ________ does.
A:he
B:she
C:they
10-9=____ 13-9=____ 11-9=____
9+____=11 9+____=11
读下图,分析P点的位置,回答下面小题。
如图,▱ABCD中,点E、F分别在AD、BC上,且AE=CF.求证:BE=DF.