-----Do you know the man ________ is reading the book over there?--------- Yes, he is Mr. Green, our P.E. teacher.
—He’s never heard to sing a pop song so loudly, ______ he? —______. He is so shy.
We believe scientists will ______ a way to solve the problem of air pollution.
The window was broken. Try to ______ who has broken it.
—Did you take ______ one-day trip to the West Hill last Sunday? —Yes. It was fantastic! It’s _______ most delightful trip I’ve ever had.
—Can you tell me ______? —He is outgoing and friendly.