填一填。
清明节的习俗是丰富有趣的,除了讲究禁火、扫墓,还有____、____、____、____、____等一系列风俗体育活动。
写出下列句子的意思。
— My computer has gone wrong. It needs _______ soon.— Why not have David _______ it? Nobody can if he can't.