I don't know_ he's doing now.
A: that
B: what
C: this
D: how
A: that
B: what
C: this
D: how
举一反三
- 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.
- —Who is he Is he our new teacher —I’m sorry. I don’t know ______ and ______ he is. A: who; what B: who; how C: how; what D: where; how
- I don’t know ______ he will come. A: that B: if C: what
- 中国大学MOOC: I don’t know how to use the CAD software, and what’s more, I don’t believe you do either!