题目内容

We’ve been _____ for her for 5 hours.
A．waitB．waitingC．to waitD．waited
B

试题分析：句意：我们已经等了五个小时。结合语境可知本句描述的是从过去一直持续到现在的一直在进行中的动作，故用现在完成进行时态，结合前文be动词been，可知选B。
点评：英语中的动词大致可以分为情态动词，实意动词，系动词和助动词四大类，各种动词之间的搭配有着比较固定的规则，学习中需要注意总结各种动词的用法及搭配习惯。
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