I don't know _( )__ he still lives here after so many years.
A: whether
B: where
C: what
D: when
A: whether
B: where
C: what
D: when
举一反三
- l don’t know () he still lives here . A: where B: what C: when D: whether
- I don’t know _______. A: where he lives B: what is he doing C: where does he live D: how he do it
- He was here for a little while, but I don't know where she ( ) now. He was here for a little while, but I don't know where she ( ) now.
- I don’t know _________. A: where does he live B: where did he live C: where he lives D: he lives where
- I don’t know _____ he will be back home. A: who B: what C: when D: where