My mother is always warning me when I go out, “Don’t get off the bus ____ it is stopping.”
The scientist holds the view _______ the book said was right.
Don’t worry. I’m sure you’ll succeed _______ if you work hard.
The police spotted a thief________ things in a mall at this time yesterday.
In most western countries, on April Fool’s Day, people often play __ ___ trick on each other; children especially have great ______ fun.
-I’m thinking of the test tomorrow. I’m afraid I can’t pass this time. -_________! I’m sure you’ll make it.