下列语句中，没有语病的一句是（ ）

To our relief, at last the opening ceremony of the sports meeting we had been looking forward to _____on time.[ ]

We’ll study in different schools next term. Enjoy your time in the new school!—

ilway was opened＿＿＿＿＿＿traffic＿＿＿＿＿＿＿ April 4, 1985.

What does your mother ________—She is of medium build with long straighthair.