—What do you think of the cake?—It ______ delicious. I want to eat it at once.
— China is a country with________ resources. — That’s true. But China is also a country with the largest number of people.
We didn’t go to the concert because we couldn’t to buy the tickets to it.
It is sunny outside. Why not ________ the light and open the window?
A report says that the world’s natural gas deposits (储存) ________ early in the next century.
----- Sir, did you see the sign “ No Parking” ? ----- Sorry. I didn’t know parking here isn’t________.