问题

_____ about the new model, and I firmly believe that there willbe a good market for it.

A:concerned
B:doubtful
C:confident
D:particular

正确答案是：

同类题型

Do you have two ________

The old temple _____ roof was damaged in storm is now under repair. [ ]

Do you usually ________ a while(一会儿) before you go to bed—Yes. Enjoying the cool air is good for my health.

East of our city ______ a world-famous pagoda dating from Tang Dynasty.

Tom’s leg got hurt when _______ up Jindingshan.[ ]