1.IS this the exhibition___the foreign visitors visited last sunday?
A.where B.which C.whose D.that
2.when I found the window open ,a terrible thought suddenly__me—someonehad broken into the house.
A.struck B.beat C.knocked D.attacked
3.—what do you think__him so upset?
A.to make B.making C.made D.to have made
4.he looks very hot and dry.
-so__if you had a temperaturei of 103.
A.would you B.will you
C.would you have been D.do you
第4题可以再详细点吗？