If you ( ) here on time tomorrow,I'll write to your father.

问题描述:

If you ( ) here on time tomorrow,I'll write to your father.
A.won't be B.C.ardon't be en't going to D.aren't
A.won't be B.don't be C.aren't going to D.aren't

正确答案:D 连词if 连接主从句时,若主从句都含一般将来时时,通常套用“主将从现”(即主句使用一般将来时,而从句只用一般现在时).If到逗号这个句子为从句,套用一般现在时,逗号后面的是主句,套用一般将来时.故答案为D.