两个英语单选题,

题目

两个英语单选题,
1 --There are too many people in the museum during the National day
--Yes,that is a serious threat to safety ___A___emergency.
Ain case of B in defence of Cin need of D in search of
2 Doctor Lin Qing ,___C___John turn to u for help?
---- Yes,with pleasure.
A Would B Must C Shall DWill

答案

in case of 表示假如.的话 这里意思就是 如果有紧急情况,人多会很危险 这是考in case of固定搭配第二题我觉得用排除法好一些想表达的意思应该是 john可以去你那寻求帮助么?must肯定不对,john并不必须去doctor那will...