高一几道英语单选,

题目

高一几道英语单选,
as you can see,the street is covered with icy snow,so you ________ take care when you walk on it.
A,need B.shall C.can D.will
our English teachr is very strict with us and he has never let a chance to use what we have ________.
A.pass B.passing C.to pass D.being pass

答案

B.有需要的涵义.和should差不多.【其实这道题我有点纠结TAT
正如你所见,这条街被冰雪副高,因此你在走路的时候需要小心点.
C.表示目的.
【our English teachr is very strict with us】 and he has never let a chance 【to use what we have】 to pass