She prefers _____ her clothes by hands rather than by machine.
| A．having washed | B．washing | C．being washed | D．to wash |
Some scientists say that the tomato is technically a fruit，＿＿it is eaten as a vegetable．
| A．although | B．because | C．as if | D．as long as |
We think anyone whose careless actions＿＿＿＿＿serious results should be punished．
| A．contribute to | B．adapt to | C．result from | D．free from |
While I was looking through the news online，＿．
| A．did a video of a lovely bear come up |
| B．did come up a video of a lovely bear |
| C．up did a video of a lovely bear come |
| D．up came a video of a lovely bear |
Since the earth’s resources are getting fewer and fewer，recycling industry certainly＿＿big benefits in the near future．
| A．promises | B．attempts | C．demands | D．invests |
Nowadays，it is common to see people staring at their mobile phones instead of reading a real book，＿＿＿＿＿＿many experts are worried．
| A．when | B．for which | C．where | D．about which |