Nobody but us _____ the secret.
— Do you have the time? I've got something to tell you.— Ok, ______ you make your story short.
–— It is unwise for some people to drive and talk on a cell phone.–— _______. It's very dangerous.
一My son is a volunteer and often helps the disabled.一______.They’re really something.
If you are sick with the flu,you’11 have to stay home to prevent it______ to others.
Deep reading is a process in which people critically think______ trying to catch the words on the page.