For us Senior Three students, believing that our hard work will______can build up our confidence. [ ]

My daughter, ______ all kinds of meat, would not like to eat any vegetables, which worries me a lot.[ ]

The teacher was _____in thoughs when I came to see him.

Lanzhou is the only capital city that the Yellow River, the second ________ river in China, passes through.

The style can be _____ to personal taste.