China is expected to export 1 billion mobile phones this year, ________ by a surge in demand for smartphones worldwide.
| A．drive | B．driving | C．to drive | D．driven |
The old woman has _______________ too many hardships in the past 10 years．
| A．broken through | B．gone on | C．broken down | D．gone through |
---Why don’t you ______ your ideas on paper? Then you won’t forget them.
--- Sounds a good idea.
| A．put aside | B．lay down | C．set down | D．do with |
Mr Smith has_______ cancer for two years but he is still working very hard.
| A．suffered | B．suffered from | C．suffered by | D．suffering from |
The number of students who took part in the competition last week ________ more than 1500.
| A．reach | B．were | C．is | D．was |
I can’t stand _______ when people litter around in public places.
| A．that | B．what | C．it | D．this |