Once upon a tine，he________in the mountains．
| A．lives |
| B．will live |
| C．lived |
| D．is living |
There will be less ________．
| A．trees | B．people |
| C．pollution | D．cars |
I will be an engineer ____ ten years．
| A．after | B．in | C．at | D．on |
Last year I went to Beijing and ________ it.
| A．fell in love with | B．fell love with |
| C．fall love in | D．fell in love to |
There _______ a robot in every home．
| A．will have | B．will be |
| C．are | D．are going to be |
I’m going to write articles and send _________ magazines and newspapers.
| A．it to | B．they to |
| C．them for | D．them to |