I didn’t quite follow him because he explained the theory _____that is too abstract for me.
_____,success results from hard work.
_____ the general state of his health,it may take him a while to recover from the operation.
Helen was much kinder to her youngest son than to the others, _____,of course,made the others envy him.
Boris has brains. In fact,I doubt whether anyone in the class has ____IQ.
Yesterday Jane walked away from the discussion. Otherwise,she ____ something she would regret later.