—Mum,it’s late.Why are you still here?—Dad hasn’t come back yet.I ________ for him.A.am waitingB.was waitingC.waited
–I hear some students will go on a picnic this Sunday. –Yes, and ____ them will be Zhao Mei.
Surfing is too hard ____ me. I’m afraid nobody can learn it easily.
I hope all of you can hand ____ your homework ____ time every day.
We all agree ____ you. Let’s start ____ once.
Mr. Li said he would show the students ____ the New York City, which is famous ____ the world.