One of our rules is that every student ________ wear school uniform while at school.
34.—I can’t find Mr. Brown. Where did you meet him this morning ? —It was in the hotel he stayed .
32.Though the man was badly hurt in the accident , he was still and could think clearly.
23.Nothing taught by others can have the same effect on you as learned by yourself.
Jack must be helping his grandma to water the flowers,______?
— Why are the four students so happy? —______ in the science competition, they are awarded prize money totaling $ 20,000.