At school, some students are active______ some are shy, yet they can be good friends with one another.

I don’t think I’ll be able to gomountain-climbing tomorrow—

The weather is too cold ____ March this year. —It was still ____when I came here years ago.

____ you got to know I traveled to USA?—Through one of your colleagues.

The Yeti is said to be a large, hairy animal walking _____two feet like a human being and moving _____ amazing speed and strength.