The green house _________ the windows face south is our school library.
A.of which B.whose C.on which D.where
Hello! I _______you _______ in Beijing. How long have you been here?
A.don’t know; are B.hadn’t known; are
C.didn’t know; were D.haven’t known; are
It is common in ______ that people in ______ are going to university for further education.
A.1990s; the fiftieth B.the 1990s; fifties
C.the 1990s; their fifties D.1990s; their fifties
She speaks English ______, if not better than, her teacher.
A.as well B.as well as C.as good D.as good as
Professor Smith, along with his assistants, ____ on the project day and night to meet the deadline（最后期限）.
A.work B.working C.is working D.are working
Betty _____ up early since her childhood.
A.used to get B.has been used to get
C.has used to get D.has been used to getting
