they have been expecting a splendid crop.that's what they have been___
1 waiting 2 waiting for 3 waiting to 4 waiting on
请问选择哪一个,及分别说出为什么对与错
人气：218 ℃ 时间：2019-10-19 14:41:26
解答
2
wait 是不及物动词,作“等待”讲,必须和for 连用,所以不选1 （没for),3,4(介词不对）
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