问题
选择题
A new bridge ______ across the river and it is expected to open next year.
A．was building
B．is built
C．will build
D．is being built
答案
答案：D
考查时态。根据语境可知新桥正在被建当中，故用现在进行时的被动形式。句意：横跨河的新桥正在被建，预计明年将开放。
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