1.Scientists are trying to develop a soya-based fuel for cars,which_______ one day replace petrol.
问题描述：
1.Scientists are trying to develop a soya-based fuel for cars,which_______ one day replace petrol.
A would B may
2.I'm sure that your letter _______ immediate attention.They know you're waiting for the reply.
A.will get B.gets C has got D is getting
答
第一题B呀,would是will的过去时态,只能用在过去或者虚拟语气里头 ,may事态符合要求
第二个是A,因为后文说他们知道你正在等回复