John often asks his friends ________ help.
Noise is harmful ______ our hearing. A. to B. for C. on
—Joan never gives up learning English. What about you? —_______ A. So do I. B. Neither do I. C. Neither I do.
I don’t like bread. I won’t eat it______ I am very hungry. A. if B. when C. unless
—Hello! Can I speak to Chris? —Sorry, he isn’t in. He _______ Japan on business. A. has gone to B. has gone C. has been to
-- _______ bad weather! -- So it is. A. What B. How C. What a