As we all know,it is of great importance that theory____ weith practice.
A.should combine B.be combined
C.is combined D.combines
key:B
老师说什么be combined 前省略should,那是咋回事啊?请详细解答,谢谢
那么是这种强调句式都要用should虚拟语气吗,学这个之前也没见过几个强调句式用虚拟语气的啊
追答是的,这本来就是虚拟语气,所以用should加动词原形