英语试题:He said he would help me with my math if she ____free]

问题描述:

英语试题:He said he would help me with my math if she ____free]
明天订正要是对了我加50分谢谢!
A.would be B is C was D will

先排除B D,前面是SAID,后面不可能是现在时.在者有IF ,后面应跟WOULD BE ,