根据汉语意思完成句子,每空一词。(共5小题;每小题2分,共10分) 小题1:在街上边走边吃是不礼貌的。 It’s impolite to eat or drink while _________ ________ the street. 小题2:这种新玩具主要针对国外市场。 The new type of toys is mainly ________ ________ the foreign markets. 小题3:多亏了老师,我的数学考试及格了。 __________ ________ Mr. Liu, I could pass the math exam. 小题4:请讲话大声点,以便我们能听清楚。 Please speak loudly_______ ________ we can hear clearly. 小题5:在圣诞节,父亲们通常装扮成小丑。 On Christmas Day, fathers usually _________ _________ as clowns.