He studied so hard that he caught up with others.(改为同义句)He studied_____ ______ to caught up with others.

问题描述:

He studied so hard that he caught up with others.(改为同义句)
He studied_____ ______ to caught up with others.

He studied__too___ __hard____ to caught up with others.

He studied__hard___ __enough____ to caught up with others.