So difficult ___________ it to live in an English-speaking country that I determined to learn English well.
| A．I have felt | B．I felt |
| C．I did feel | D．did I feel |
_____ the new policy, we are now having a happy life.
| A．Thanks to | B．Because | C．For | D．Thanks for |
She was ________ the result. We knew it from her ______ look.
| A．satisfying with; satisfied | B． satisfied with; satisfied |
| C． satisfied with; satisfying | D．satisfying with; satisfying |
We don’t have enough money .We,_______, can’t afford to buy the car.
| A．therefore | B．so | C．however | D．thus |
To enjoy the scenery, Irene would rather spend long hours on the train _____ travel by air.
| A．as | B．than | C．to | D．while |
Professor Smith, along with his assistants, _____on the Project day and night to meet the deadline.
| A．work | B．working | C．is working | D．are working |