Some scientists think that it may take ______years to make robots look like people, and do the same things as us.
| A．hundreds of | B．two hundreds of |
| C．two hundreds | D．two hundred of |
The little boy is________short________the apples on the table．
| A．too；to reach |
| B．too；can’t reach |
| C．very；reach |
| D．so；to reach |
—________do you communicate with your friends far away？
—By sending e-mails．
| A．How |
| B．What |
| C．Why |
| D．When |
It’s a lovely day．What about________for a picnic？
| A．to go |
| B．going |
| C．go |
| D．goes |
In school，we often learn English by working________a group．
| A．and |
| B．on |
| C．with |
| D．in |
The students raise money for their school trip________newspapers．
| A．selling |
| B．on selling |
| C．by selling |
| D．to sell |