I don’t think it easy, even if we work hard, the South Korea and the North Korea to sit down to talk at present.
| A．persuaded | B．persuade | C．to persuade | D．persuading |
We are at your service. Don’t ________ to turn to us if you have any further problems.
| A．beg | B．hesitate | C．desire | D．seek |
Tom, turn down the music. Why ________ you make such a big noise while your baby sister is sleeping?
| A．must | B．would | C．should | D．may |
It rained for two weeks, completely ________ our holiday.
| A．ruined | B．ruin | C．to ruin | D．ruining |
I don’t think it is teachers who ________ for giving students too much pressure.
| A．are to blame | B．are going to blame | C．are to be blamed | D．should blame |
Much new high technology has been introduced from America, ________ a great increase in the production of the company.
| A．resulting in | B．having led to | C．contributed to | D．caused |