Camels have three eyelids to ________ themselves from the blowing sand.

Car prices have been going down sharply in the last 20 years.—It’s not surprising because the law of market _____the price of a product

What do you mean, there are only ten tickets? There _______ be twelve. [ ]

I wonder if you could go with me to the supermarket.—Sorry. I _______ my experiment report all the morningand haven’t finished yet.

Please give me ______ to write on.