(2013·山西省太原市统一检测)—David, the windows of the room are very dirty. ________ I clean them before we move in?
—Of course.
A．Will B．Would
C．Shall D．Do
(2013·银川高三一模)—Where is the post office?
—It's just over there, at the end of the street. You ________ not miss it.
A．can B．must
C．may D．should
(2013·济南一模)—Can you keep the secret?
—You ________ worry — I'm not going to mention it to anyone.
A．needn't B．couldn't
C．mustn't D．won't
(2013·皖南八校一模)I felt surprised that anyone of his intelligence ________ such an easy test.
A．might have failed B．could have failed
C．should have failed D．must have failed
(2013·江西六所重点高中一模)We ________ take clean drinking water for granted. One day we may run out of it.
A．needn't B．can't
C．won't D．shouldn't
(2013·成都一诊)Parents are doing all they ________ to help their children achieve their ambitions.
A．shall B．can
C．may D．need
