------- _______ you _______ the book ______ to the library yet.
------ Yes. I have.
| A．Have ，returned，/ |
| B．Have， returned， back |
| C．Did return ，/ |
| D．Did， return，back |
—Theresome bread on the plate. You can eat it for breakfast.
—OK, I will.
| A．are | B．is | C．was | D．were |
Tom is in good health, because he often exercises and eats a lot of healthy.
| A．food | B．water | C．pear | D．carrot |
Their life will be__________ if there are ____________children in a family.
| A．richer; less | B．poorer; fewer |
| C．richer; fewer | D．poorer, less |
Robots can do manyjobs, because they will never get___________.
| A．boring. Boring | B．bored, boring |
| C．boring, bored | D．bored, bored |
-What do you think the weather_________ tomorrow?
| A．will be | B．will like |
| C．will be like | D．is like |