—Do you think our teacher is ________ ？—Yes， he always corrects our homework and prepares his lessons　_______.

I think he’s just going to deal with this problem ____day.

It is ______ that he will come to help soon because he has just gone out.

A person ________ with H7N9 viruses will be more likely to die of lung dysfunction.

 _________several times, but Mary still has no idea of how to do it properly.