Mr. Green _______ his lessons when I went into his office.
A. preparesB. prepared
C. is preparing D. was preparing
—Tom, What did you do last Sunday morning ?
— I _______ my grandma with my parents .
A. visitedB. visit
C. will visitD. have visited
Our teacher usually gets to school a little _______ than our students.
A. earlyB. earlier
C. earliestD. the earliest
We are often told_______ water in our daily life.
A. save B. saving
C. to save D. saves
There is ________wrong with my bike. I have to walk .
A. something B. anything
C. everything D. nothing
— Excuse me , ______ you take a photo for us?
— Sorry, I can’t.
A. can B. need C. must D. should
