Looking at her _______ looks，we were _______.

How I was _______when I heard the _______ news!

Although the increase in the present sum used for the research is________， a great breakthrough could still be achieved by the end of this year.

--- What you’ve said sounds _____, but can we really solve the problem in that way?--- It is worth a try.

—— We should adopt _________ methods to deal with some incidents. You know, anything could occur in that situation.—— I got it. Thank you for reminding me.