Stephen Hawking believes that the earth is unlikely to be the only planet __________ life has developed gradually.
| A．that |
| B．where |
| C．which |
| D．whose |
—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 |
the importance of education, the villagers paid more attention to the schooling of the children.
| A．Realized | B．To realize | C．Realize | D．Having realized |
There is no doubt you will pass the exam this time. You have worked so hard in the past months.
| A．whether | B．that | C．if | D．what |
She a dress that she liked very much and bought it.
| A．picked out | B．picked up | C．picked off | D．picked at |