- 问题详情: ---John,whyareyousoupset? ---I mycellphoneallmorningbutitisnowheretobefound. A.amlookingfor B.havebeenlookingfor C.havelookedfor D.hadlookedfor【回答】B知识点:现在完成进行...
- 15286
- 问题详情: ---John,whyareyousoupset? ---I mycellphoneallmorningbutitisnowheretobefound. A.amlookingfor B.havebeenlookingfor C.havelookedfor D.hadlookedfor【回答】B知识点:动词时态与...
- 19213