根据下面每句句意、汉语提示及英语解释,选出空白处所缺单词的正确形式。 小题1:Martin Murray is a _______(15岁) boy.He used to be a “problem child”. 小题2:—How do you study for a test? —I study by ______(听) to tapes. 小题3:I’m very ______(担心)about my son’s health. 小题4:He didn’t do well in English ,so he wanted to (make better) it. 小题5:The big building has been here for two ____(one hundred years). |