Ps ：写上理由 1.He didn’t know which room______.A.they lived B.th

Ps ：写上理由
1.He didn’t know which room______.
A.they lived B.they lived in C.did they live D.where can I get to
2.I have no idea______.
A.what does this word mean B.what this word mans
C.what is the meaning of this word D.what meaning is this word
3.Can you tell me______exercise is the easiest?
A.what B.if C.which D.that
4.Sometimes we are asked______the likely result of an action will be.
A.that we think B.what we think C.what do we think D.that what we think
5.John opened the door______his father came in.
A.after B.when C.until D.while