Some scientists think that it will take __ of years to make robots do most work for humans.
A. hundreds B. hundred C. thousand
As for _____homework, we do ________homework every day.
| A．do , our | B．doing, our | C．does, we | D．doing, us |
The boy can speak English well, _____he’s only ____eight-year-old boy.
| A．and, an | B．or, a | C．although, an | D．because, a |
What should I do ? Can you give me _______?
| A．an advice | B．some advice |
| C．some advices | D．any advices |
It’s important ________English well.
| A．for us to learn |
| B．of us to learn |
| C．of us learning |
| D．for us learning |
Don’t read in the sun! It isn’t good ________ your eyes.
| A．at | B．for | C．with | D．to |