if you---carefully,you------the report well A.listen will understand b.listened;will understand
问题描述：
if you---carefully,you------the report well A.listen will understand b.listened;will understand
答
答案选A.listen will understand
如果你认真听，你将会更好地明白这个报告。
答
A if从句用一般现在时,you主句用一般将来时.
多谢!