I _____ through the hard time but for my teacher’s generous and timely help．
| A．couldn’t have gone | B．could go |
| C．mustn’t have gone | D．hadn’t gone |
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 |
People who seldom do sports or diet is high in fat will put on weight quickly.
| A．who | B．whose | C．which | D．what |