______ there was no bandage available, she tore off her sleeve and tied it around his wrist a little above the bleeding point ______ him from losing too much blood.
There are so many viruses on the Internet. If __________ accidentally, the viruses may make your computer break down.
If I ruled the world, I would __________ the world __________ everything that is bad.
It's time you __________ some reading or the other students will leave you behind.
Whenever there is __________ sun and rain, the fields are green.
Don't push! Please line up one after another. There's __________ room for everyone inside.