Timmy often gets full marks in the exams, but he never shows off. He is very ___.

Jane looks unhappy all day today. _____ seems that she knows the bad news.

In front of our house _______ we used to swim.

Mr. Li, let’s go fishing this weekend with Lao Wang, shall we?—I’d love to, but nobody knows if he _______ free then.

There is a bridge ______ the river. [ ]