问题
选择题
The play had already been on for quite some time when we __________ at the New Theatre.
A．have arrived
B．arrived
C．had arrived
D．arrive
答案
答案：B
B。由于句中的had already been用的是过去完成时，而根据句意，arrive显然应发生在其后，故要用一般过去时。全句意为：当我们到达新剧院时，戏已经演了好一会儿了。