对于工程师的初步意见，( )需要进行审查和批准，然后工程师才可以签发有关证书。
A．承包人B．发包人C．业主D．分包人
参考答案：B
When people talk about the famous scenic spot in China, the first _________ comes into mind is the Great Wall.
A．which
B．that
C．one
D．place
The student wrote ________ letter to his parents.[ ]
A. a 800-word
B. an 800-word
C. an 800-words
D. a 800 words
