1（2010·河北省唐山二模）16．It is usually not quite cold in this area in March，but sometimes temperature ．low
A．should B．must C．can D．shall
16 B
2、 （2010·河北省唐山一中二模）7. Our house is on the top of the hill, and in winter the winds be pretty cold .
A. must B. can
C. ought to D. need
B
