Some_________animals are ______________now．
A．dangerous；danger B．dangerous；in danger
C．danger；in danger D．in danger；dangerous
—May I listen to music here，Mr White?
—Sorry，you'd better____________ it like that．
A．not to do B．not do
C．don’t do D．not do to
When he heard his lost son's voice, Mr Brown______ believe his_______.
A. couldn't; eyes B. could; eyes
C. couldn't; ears D. could; ears
You can discuss the problem ____________ your friends.
A. with B. to C. for D. About
I spent half an hour __________ my homework yesterday evening.
A. finish B. to finish
C. finishes D. Finishing
Miss Niu is one of________________ in our school.
A. good teachers B. better teachers
C. the best teachers D. the best teacher
