_______ with care, one tin will last for six weeks.
| A．Use | B．Using | C．Used | D．To use |
Those who suffer from headache will find they get________from this medicine.
| A．relief | B．safety |
| C．defense | D．shelter |
An experienced doctor usually judges a patient’s illness according to
the various________.
| A．signs | B．symptoms |
| C．signals | D．appearances |
If you’re looking for a ________，you can make it when it is on sale.
| A．price | B．bargain |
| C．cost | D．bill |
Don't take __________ for granted that your parents should support you all your life. You should learn to be independent.
| A．this | B．it | C．that | D．those |
Last year the number of students who graduated with a driving licence
reached 200,000，a(n)________of 40,000 per year.
| A．average | B．number |
| C．amount | D．quantity |