We can never expect _____ bluer sky unless we create _____ less polluted world.
| A．a, a | B．a, the | C．the, a | D．the, the |
Professor Wang introduced us a new approach ________ learning a foreign language at yesterday’s meeting.
| A．with | B．about | C．on | D．to |
He decided to study _____ second foreign language in order to find _____ well-paid job.
| A．the; a | B．a; the | C．a; a | D．the; the |
--- Go for a picnic this weekend, OK ?
---- _________. I love getting close to nature.
| A．I couldn’t agree more | B．I’m afraid not |
| C．I believe not | D．I don’t think so. |
---How about your trip to Italy?
---Oh, ________ the fine weather, we enjoyed ourselves indeed.
| A．in regard to | B．thanks to | C．in spite of | D．regardless of |
----Hi, Tracy; how are you doing?
-----I’m tired out, for I ______my living room all day.
| A．painted | B．had painted |
| C．have painted | D．have been painting |