用方框中所给的适当形式填空,每词限用一次。 worry, they, shark, sleepy, towards 小题1:Take some rest after lunch and you won’t feel ________in the afternoon. . 小题2:When the child saw her parents waiting at the school gate, she ran ________ them. 小题3:Don’t _______ about your exams, everything will be fine. 小题4:To protect________, scientists suggest the people stop fishing in some parts of the ocean. 小题5:My host family is really nice .They try _____ best to make me feel at home .