工程具备竣工验收条件，( )按国家工程竣工验收有关规定组织验收工作。
A．承包人 B．工程师 C．发包人 D．专家验收组
参考答案：C
I sent for a technician ___ John isn't familiar _____ the computer software they use? [ ]
A. in case, with
B. in case, to
C. as if, for
D. so that, in
With so much noise of the traffic, I couldn’t ______ and do my research work．
A．put down
B．settle down
C．break down
D．take down
