---What’s wrong with you, Eric? You look tired.---I ________ to prepare for the final exam last night.
It’s important ________.
----My mother is ill, so I have to look after her. ----__________.
Does Bob go to work___ bus or __ foot ?
---_____ do you have an English party ? -----Once a month .
–I’m planningthe weekend with my grandparents, Mom. --Oh, don’tto buy them some nice food.