问题
选择题
It’s required that mineral resources_______ hand in hand with the local environment protection.
A．be exploited
B．exploit
C．have exploited
D．exploited
答案
答案：A
考查虚拟语气。句中require要求，从句用should + v原形的虚拟语气，should可以省略，根据mineral resources与exploit为被动刚喜爱，故选A。
