_______ made the school proud was______ more than 90% of the students had been admitted to key universities.

(2014·安徽马鞍山两校第二次联考)China is developing fast.That’s________I think those of my colleagues who deal with China affairs should visit China.

Have you ever seen snowman ride bicycle? That’s       we look like.

 One concern people have now is ______ printing passengers’ names and ID numbers on tickets will make it harder to protect their private information.

 —I'll ask the teacher about the attributive clause. I'm very puzzled about it.—That's just ________ most of our classmates have doubt.