读下列语句，并画出图形．
点P是直线AB外一点，直线CD经过点P，且与直线AB平行，直线EF也经过点P且与直线AB垂直．
解：如图所示：
如图，在⊙O中，AB=CD，则下列结论错误的是（ ）
Mr. Zhang can't speak French. _______, he had never learned French before he came to Paris.
