Now we could not do anything but for him here.A. waitedB. waitingC. to waitD. wait

问题补充：

Now we could not do anything but for him here.

A. waited

B. waiting

C. to wait

D. wait

答案：

A. waited

B. waiting

C. to wait

(答案→)D. wait

解析：考查介词but前有实义动词do或do的形式变化，后应用原形动词，句意：现在我们不能做任何事情除了在这等他。所以选D。