If he were here,he would help me now.If he asked me,I would

If he were here,he would help me now.If he asked me,I would he asked me If I would go shopping.为什么不是he asked me that if he asked me if i would like a cup of tea为什么是if he would have if i had asked He asked me that if I would go to Beijing by air the next da Even if he were here,he would not be able to help us He said he would help me with my math if he ____ free. He said he would help me with my math if he __ free.A was B He said he would help me with my maths if he --- free. A. wa if he ______ me tomorrow,I would let him know if he ( )me about it ,I would not have knownit He asked me if I knew（）