We should never ____till tomorrow what we can do today.

Where are you going _ next week?[ ]

What __heavy rain it was！—Yes, but I love___ air after it rains. It smells so fresh.

I’ve just been to my first language class.— Oh really? ________ . Which language are you studying?

Mom, these are my friend Peter and __ brother Bill.–Welcome to our home. Come in, please.