He used to be a popular singer, but drug ____ his ruin.
| A．resulted from | B．contributed to | C．attended to | D．devoted to |
—Madam， your clothes are ready now.
—Thanks. And how much shall I for them？
| A．cost | B．take | C．spend | D．pay |
—Do you think our teacher is ？
—Yes， he always corrects our homework and prepares his lessons .
| A．careful； careful | B．careful； carefully |
| C．carefully； carefully | D．carefully； careful |
Only by reading more books improve your reading skills.
| A．you can | B．can you | C．do you | D．you do |
—Sir， can I pass the examinations this time？
—That depends on you work hard enough or not.
| A．what | B．that | C．whether | D．how |
The unemployment rate in this district from 6% to 5% in the past two years.
| A．has fallen | B．had fallen | C．is falling | D．was falling |