— is that boy?—He’s my friend.A. What B. Who C. Where
—Do you mind if I smoke here? —_______ You can go to smoke in the next door.
Sandy didn’t tell her parents that she was going home because she wanted to give them a _______.
This is _______ difficult problem that few students can work it out.
It’s nice _______ Andy _______ me with my English study.
We will fly a kite as soon as your homework _______.