单项选择题
If only () the violin in the middle of the night, she'd be an ideal guest.
A. played B. would play C. didn't play D. wouldn't play
单项选择题 "I'm going to the theatre tonight." "So () ."
单项选择题 I used to smoke (), but I gave it up three years ago.
单项选择题 —I have just had my watch repaired. —How much did they()you for that
