1．Although they feel tired，______they still go on working.
2．His grandmother is well because she often ______.
3．—______do they play basketball?
A．How soon B．How much
C．How many D．How often
4．His mother wants him______at home today.
C．to stay D．staying
5．Here______the results______the exam.
6．Mr.Morgan ______ know the way to the museum.
A．maybe B．may be
7．Many animals ______ because the weather was bad.
A．were dead B．died