As a teacher, I seldom give my students so difficult a problem ________ they can not work out.
Was it at the school gate.if I may ask _________ you met your friends from your hometown?A where B that C which D ones
-Can you tell me the timetable of the school bus?-Well , the bus_______here for the first trip at 6:30 amA will leave B left C is leaving D leaves
The policemen______the stolen place again and again, and finally they found the evidence who stole the antiqueA got through B picked up C went over D turned over
.What the boss really doubts is _______his employees will go on working in the companyA that B weather C when D if
.It rained a lot during their journey, so they________have had a good time.A can’t B must C shouldn’t D might