----- In recent years,___ problem of global warning has been very serious.
-----That’s right. People are facing ____ number of natural disasters now.
— What do you think of color of my handbag?
— Perfect! It is __ good match for your dress.
—Some people believe that robots will take over the world one day.
—What if that is the ________?
——The captain did not leave the sinking ship till the last moment.
——So he was the last man ______ the ship.
----shall we have our picnic tomorrow?
----______it doesn’t rain.
---- I have taken someone else’s T-shirt by mistake. Is it Jane’s?
---- It _______ be hers. She seldom wears red.
——Thank you for joining in our conversation tonight.
——_______.
---There is some doubt _____ the concert will be held as the company intends to redecorate the stadium next week.
---What a pity!
— Why won’t you go to the lecture?
— Well, it’s long and boring. I’ve been _______ with it already.
—Shi Changxu was awarded a special state prize for his scientific research．
—He certainly _____ that honor, for he has devoted so much to the country．