—Do you know why people set off fireworks ? —Well, in ancient China, people set off fireworks on New Year’s EVE that the loud noise could drive away bad spirits .
If you don’t know a word, you must in a dictionary.
is really hard them to climb Mount Huang.
You won't pass your exams________ you work harder.
You look pale today , I think the red T-shirt ___good ____you
Boys and girls , more attention should be paid to ____the word correctly