Jim asked Ling Feng his pet dog while he was away.
I can’t remember _____ I put the book, and I need it for my homework now.
I hear the tall girl wearing glasses is your new classmate. She’s from America, _____ ?
The actress is already 50, but she looks ______ than she really is.
–I feel a bit hungry now. -- Why not _____ for dinner with us?
–Excuse me, can I smoke here? --No, ______.