Both the summer and winter Olympic Games every four years.
Safety in school has been of great concern because of frequent reports about accidents _______ students got injured or killed while in school.
In order to continue to learn by ourselves after leaving school, we must ______ learn how to study in the school now. A.after all B.in all C.above all D.at all
---- How long will it be ______ we know the result of the English examination?----- Perhaps in two or three days.
------ Bob failed in the exam again . ------ He _____ it ; he never worked hard .
The driver was at ___ loss when _____ word came that he was forbidden to drive for speeding.