问题
选择题
----- We could have asked Mr. Zhang for help. He is caring and considerate.
----- I_______ that. A long time _______.
A．forgot; had been wasted
B．forget; wasted
C．have forgotten; wastes
D．forgot; was wasted
答案
答案：D
考查时态语态：句意是;--我们本来是可以向张先生求助的，他很有爱心也考虑周到。--我忘了，那么长时间被浪费了。说明忘了是过去发生的，时间也被浪费了。选D。