Question

 (2010年海淀期中練習(xí))It is usually not quite cold in this area in March，but sometimes temperature________be very low.

A．should                   B．can

C．must                     D．shall

Answer 1

解析：選B。考查情態(tài)動(dòng)詞。此處can用于肯定句表示“有時(shí)候會(huì)；可能會(huì)”。