He didn't know to choose which one.该为He didn't know which on
He didn't know which hat was his.还是应该用:He didn't know which
l didn't know which one I should choose.改为同义句:I didn't know
Tom had to buy ___these CDs because he didn't know which one
the man didn't know which gift he should choose.=the man did
He didn't know (
Stuck in the landstorm,he didn't know which to take .前后两个句子之
He didn't know which pet ----a.get b.got c.to get
He didn't know ( )book he'll choose ,A,B
He doesn't know which pencil to choose.(改为同义句) He doesn't kn
He didn't know what to do next.He didn't know what he ____ _
I didn't know which botton to press
I really don't know which one to choose