Everyone knows that ______ paper was invented by _______ Chinese.
Mr. Smith couldn’t open the door because his naughty boy _______ it from the inside
.When you don’t know a word, you can _________ in the dictionary.
My mother isEnglish teacher in No. 2 Middle School.
-Jack, how can I turn on this ipod? -__________.
Clean water ______the village people in the flooded area.