The traffic rules say drivers mustn’t drive if they are drunk, ______ they will be punished.
-----What’s the population_______the U.S.A.? ----- the U.S.A.has _______population of 297 million.A. of, a B. of, / C. in, a D.in, /
of the teachers in our school women.
----- Which is your favorite sport, swimming, running or skating?------_______ of them. I like water skiing best.
— Would you please tell Maria about it?— _________
— Would you like to sing some songs with us?— _________ I have to cook.