Listen! There must be someone _________ through the jungle. A. trek B. treking C. trekking
If you’ve _________ something you don’t like, it should _________ to the edge of the plate and left.
English __________ by many people in the world.
My glasses __________ broken last night. Can you help me to repair them?
-Yes, I do. She __________ Big Sister by us and I am afraid of her.
How long have you __________ this book?