With the help of high technology, more and more new substances ______ in the past years.
| A．discovered | B．have discovered |
| C．had been discovered | D．have been discovered |
My father ____ my brother for driving but he wanted to pick ____ the knowledge of the computer during his spare time.
| A．advised; up | B．persuaded; out | C．intended; up | D．managed; out |
His job is to sell the ____ carvings in the ____ department of the company.
| A．wooden; sales | B．wood; sales | C．wood; sale | D．wooden; sale |
I smoke out of ____ habit, not for ____ pleasure; for I have been in the habit for twenty years.
| A．a; the | B．the; a | C．x; the | D．x; x |
---How do you like DaLian, Jane?
---It’s a most beautiful city. I have______it for my holiday this year.
| A．depended on | B．carried on | C．decided on | D．taken on |
If you take____risk of not wearig a seat belt, you are at___risk.
| A．the ;/ | B．/; / | C．/; the | D．the ; the |