How did you know you had pass the exam—–The teacher’s smile______ that.

There is______ “s” in the word “watches” and the underlined part is pronounced (发 音)as____.

iang’s breaking the world record was an exciting moment, ______ all of us will never forget.

Mr Black is _________ father.

How much do you know about the 3D film technology?—A little. Not until _____ the hot movie