The bell ________ the end of the period rang _______ our heated discussion .
A indicating , interrupting B indicated, interrupting C indicating , interrupted D indicated, interrupted
Before us lies the biggest room, ________with things like guns, dolls and old clothes.
| A．filling | B．filled |
| C．being filled | D．having been filled |
The invention of artificial hearts marked a turning point in the battle heart disease.
| A．among | B．for | C．against | D．between |
—Thank you for your coffee.
—But you________ it.
| A．didn’t drink | B．aren’t drinking |
| C．don’t drink | D．hadn’t drunk |
Lily seems to know a lot about Hong Kong, but she has never been there.
| A．luckily | B．strictly | C．actually | D．naturally |
Tom eagerly finished up was left of the chicken pie.
| A．what | B．that | C．which | D．where |