She was with the belief that one must return what one has borrowed.
| A．brought about | B．brought back | C．brought up | D．brought out |
The task is difficult , time is limited. I’m afraid I can’t finish it on time.
| A．Still | B．However | C．But | D．Besides |
The little boy has a great for language: he can speak three foreign languages very well.
| A．present | B．gift | C．joy | D．interest |
—What do you think our descendants（后代） be like in thousands of years?
—Who knows exactly what happen to human beings?
| A．will; should | B．can; must | C．shall; might | D．would; may |
Only in this way find the way of solving the difficult problem.
| A．you can | B．would you | C．can you | D．you will |