—I want to know if Mary ______ us in the art show tonight.—I believe if she ______ her homework, she will join us.
____________ the teachers is about 300 in our school and it is becoming_____________.
The earthquake ______ when I _______some cleaning.
---Let’s go hiking __________ staying at home, shall we? --- A good idea.
--- I’m sure Jack can win the competition this term.---Yes, I agree. _________ he works in his free time!
---I’m sorry I ______ my exercise book at home. ---Don’t forget _______ it to school tomorrow, please.