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I---------toworkforthreedaysbecauseIhadtolookaftermyfatherA.won'tbeableB.amnotableC.haven'tbeenableD.wasn'tbeable
题目详情
I ---------to work for three days because I had to look after my father A.won't be able B.am not abl
e C.haven't been able D.wasn't be able
e C.haven't been able D.wasn't be able
▼优质解答
答案和解析
D wasn't able to (= couldn't)
注意时态要和原因从句中的 "had to." 一致
不懂追问*^__^*
注意时态要和原因从句中的 "had to." 一致
不懂追问*^__^*
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