He didn't know ( )book he'll choose ,A,B
He didn't know ( )book he'll choose ,A,B
He didn't know (
he is reading a book用i didn't know,变宾语从句
He dosen't know which book he should choose .(同义句)
I didn't know what--------then.A.he was doing B.was he doing
I know he ____ tell you that he ____.A.didn't;would come B.d
He didn't know _____ he should go or not.A.if B.weather C.th
the man didn't know which gift he should choose.=the man did
同义句转换.Tony doesn't know which book he should choose.
同义句转换:Tony doesn't know which book he should choose.Tony doe
Tony doesn't know which book he should choose.(改为同义句)
He didn't know A what's the matter B what the matter is C wh