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
—The Browns are going to visit the Summer Palace tomorrow.
— _______________ if it __________ rain.
A.So we will; doesn't B.So will we; doesn’t
C.So do we; doesn’t D.So will we; won’t
