Question

ここな

×の部分には何が入りますか？

(1) You can catch the train if you run to the station] [ほぼ同じ内容に]
Run
to the station,
So
+
you can catch the train.

(2) I skied many times during my stay in Canada. [ほぼ同じ内容に]
when
I skied many times +
I was
staying in Canada.

(3) Mr. Tanaka is over forty years old, but he looks young. [\]]
Mr. Tanaka is over forty old, he looks young.