“Was it under the tree _____ you were away talking to a friend?” “Sure. But when I got back there, the bike was gone.
A. that B. where
C. which D. while
“Was it under the tree _____ you were away talking to a friend?” “Sure. But when I got back there, the bike was gone.
A. that B. where
C. which D. while
D
在此句中，it 是代词，指代 the bike。