--- How much do I owe you for dinner?
--- . It’s nothing.
| A．You’re welcome | B．Forget it. |
| C．With pleasure | D．That’s right |
It is only with the help of scientific research _____ bring PM1 air pollution under control.
| A．that we will | B．we will |
| C．that we do | D．do we |
When travelling in America, we stayed in a quiet hotel, __________.
| A．next to it was a thick wood |
| B．next to which was a thick wood. |
| C．next to it there was a thick wood |
| D．next to which a thick wood was |
A Chinese immigrant ______ neighbours said struggled to survive in America was arrestedSunday because he used a butcher knife to kill his relatives.
| A．whose | B．which |
| C．whom | D．who |
Changyu building, _____ a history of more than 700 years, is well-known for its magnificent appearance the quiet and natural surroundings.
| A．having; in | B．with; against |
| C．with; for | D．has; against |
— Shall we go for a walk after school today? —______. Will tomorrow be Ok?
| A．Sure, it’s up to you | B．Sure, no problem |
| C．Sorry, I’m not available today | D．Sorry, I can’t get it |