I left my umbrella in my room. Could you wait here_____ I go back to get it?
My dad ________ a teacher when I grow up .
— _______ do you use the Internet a week? —Twice.
“85%of the students in our class like English.” means “ _____students in our class like English.”
_______ he was tired, _____ he didn’t stop ______.
Tom studies _______. He _______plays with his friends.