(A) 根据句意，在答题卡标有题号的横线上，写出括号内所给单词的适当形式。
【小题1】It was raining heavily (heavy) at this time yesterday.
【小题2】They looked at our pictures, but they didn’t show us theirs (they).
【小题3】Silence (silent) in the classroom makes everyone nervous.
【小题4】My grandfather is in his sixties (sixty), but he is very crazy about pop music.
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解析：
【小题1】考查副词。修饰动词rain要用副词，heavily“努力地”。故填heavily。
【小题2】考查物主代词。根据our pictures可知，表示对比，后面是“他们的照片”，theirs是名词性物主代词，相当于their pictures。故填theirs。
【小题3】考查词性转换。silent是形容词，这里缺少主语，故用名词形式。故填Silence。
【小题4】考查固定短语。in one’s +数词的复数，表示“在某人多少岁时”。故填sixties。