2015吉林省四平市
高考英语语法填空专练（1）及答案 《语法填空》 mark and a seal mark rented an accommodation with his pension near the shore. he __1___(pay) annual visits there to enjoy the vivid beauty in the depths of the pure sea. once, _2____ his underwater telescope and flashlight, mark dived along the boundary between the steep reef and the area of
