We must protect plants. They are friends of ______.

You must be looking forward to your trip back to Sydney.— Yes. I ______ wait any longer.[ ]

Have you ever met with this case in your life you can’t understand others even if they have said something several times

________ girl in a red skirt is my friend. She has ________ iphone 6s in her hand.

Lee is new in Yangzhou. Maybe he needs a _____for sightseeing.