Jack has failed twice in _____ PE test, he decided to have _____ third try.

I was worried about my math，but MrBrown gave me an A —______________

When I met him the other day, it was the first time we _____ each other since we were at school.[ ]

下列各句中，没有语病的一句是

I hear that you ______ along the Mekong River.Have you got everything ready