—Henry has been teaching English in Beijing university for many years.
—It’s no __________ he can speak Chinese so well and idiomatically.
| A．matter | B．doubt | C．problem | D．wonder |
Carelessness always contributes _______ car accidents. Therefore, drivers are advised to concentrate their attention _______ driving.
| A．for; to | B．to; on | C．with; on | D．in; to |
With a lot of difficulties _______, they went to the seashore and had a good rest.
| A．settled | B．settling | C．to settle | D．being settled |
The number of people present at the meeting _______ two hundred and a number of them _______ from the countryside.
| A．is, are | B．is, is | C．are, are | D．are, is |
Giving up smoking is a slow and painful _______ for him.
| A．pressure | B．process | C．motivation | D．profession |
Busy _______ he was, he managed to spare some time to help plan the project.
| A．while | B．although | C．as | D．when |