题干
The Special Olympics World Games include many events similar to ____ in the Olympics.
A：this
B：that
C：these
D：those
答案(点此获取答案解析）
D
The Special Olympics World Games include many events similar to ____ in the Olympics.
A：this
B：that
C：these
D：those
的右焦点到直线
的距离是 （ ）