从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21．—Do you like cooking, Sally?
— ．Luckily, I’ve never had to worry about it．
A．I can’t agree more B．Not really
C．I don’t agree D．You said it
22． children believe they can succeed, they will never become totally independent．
A．If B．Though C．Unless D．When
23．We asked both Tonny and Jerry, but could offer any help．
A．either B．all C．none D．neither
24．We are quite ______ to our parents and our teacher alike．
