You have to believe in _________. That's the secret of success.
Do you know _______ the number of students in our school ______?
一Oh, so many people are standing outside the hall. _______will the film start?一__________seven o’clock.
When the students arrived there out of ______, the train _______ for about five minutes.
The clothes need_______ but you_______ do that by yourself.
You’d better _______ here _______ the heavy rain.