--Could you come back home for dinner?--_____.I'll be at a very important business meeting at that time.
Grace doesn’t like math because she thinks it is ________.
— Let’s go to Lihua Clothes Store. — OK. They sell all the clothes ____ very good prices.
— ________ do you like history? — Because it is interesting.
We have ______ at 7 in the morning.
Let us_________ now.