They ______ so tired if they ______ for a whole day.
A.wouldn't feel, didn't walk B.wouldn't feel, weren't walk C.wouldn't be feeling, weren't walking D.wouldn't be feeling, hadn't been walking正确答案D
They ______ so tired if they ______ for a whole day.
A.wouldn't feel, didn't walk B.wouldn't feel, weren't walk C.wouldn't be feeling, weren't walking D.wouldn't be feeling, hadn't been walking正确答案D
