If she doesn't study hard ,she will fail the exam (同义句) ___ she __ hard ,she will fail the exam

问题描述:

If she doesn't study hard ,she will fail the exam (同义句) ___ she __ hard ,she will fail the exam

unless studies

Unless....study

_unless__ she _studies_ hard ,she will fail the exam

这里用虚拟语气:
后面的句子应该是
had she studied hard。
填入
had 和studied