--- Would you have called her up had it been possible?
--- Yes, but I busy doing my homework
| A．was |
| B．were |
| C．had been |
| D．would be |
David dislikes television heroes who smoke, __________?
| A．do they | B．don’t they |
| C．doesn’t he | D．does he |
— I was hoping you were able to lend me the money.
— __________________
| A．That’s right! | B．You can forget that! |
| C．You are welcome. | D．Never mind. |
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 |