单项选择题
A.That's right B.You're welcome C.It doesn't matter D.All right
Sorry to have kept you waiting for so long.（）A.Not at a...
单项选择题Sorry to have kept you waiting for so long.（）
A.Not at all B.Don 't say so C.I don't think so D.It doesn't matter
Some TV programs are interesting but some others are（）a...
单项选择题Some TV programs are interesting but some others are（）and full of violence.
A.frightening B.frightened C.to be frightening D.to be frightened
Some architectural designs are better than（）A.othersB.a...
单项选择题Some architectural designs are better than（）
A.others B.another C.the other D.the rest
