–Look! The man at the gate ____ be our headmaster. He is always standing there every morning.-- No, it _____ be him. He is holding a meeting in the office now.
We think that the best way to relax is _______ exercise.
---Do you have____else to say for your mistake? ---________but sorry .
---What a nice watch! When_____you ____it? ---Three days ago.
The Greens arrived ____ New York _____ a sunny day.
Mulan is __ exciting action movie.__ _movie comes from __ old Chinese story.