从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题纸上将该项涂黑。
6. ---- I didn’t do well in the last English contest. How about you?
---- _____________.
A．I’ll do better next time B. A lot better
C．Even worse D．I like English, though
7.---- Excuse me．Where's Mr．Brown's office，please?
----It's on the third floor．But he ______ there now．He's gone to the airport to meet some Chinese friends．
A．should be B. can't be C．might be D. mustn't be
