【题目】The bridge connecting Hong Kong，Zhuhai and Macau________，which is hopefully to be completed by 2015.
A.is building
B.is being built
C.was built
D.has been built

【答案】B
【解析】A．is building主动，正在建造；B．is being built现在进行时的被动，正在被建造；C．was built过去时的被动；D．has been built现在完成时的被动，已建造；句意：连接香港，珠海和澳门的那座桥正在建造，有望2015前完工。根据句意，故选B。