根据句子意思，写出所给单词的正确形式。【1】He _____________ (weigh) 50 kilograms two years ago.【2】In the _____________ (begin), he had problems in dressing himself.【3】The ____________(high) of the Yellow Mountain is 1864 metres.【4】I kept _________ ( spell ) the words wrong .【5】The weather today is even __________ (bad) than yesterday. 答案：【答案】【1】weighed【2】beginning【3】height【4】spelling【5】worse【解析】【1】句意：他两年前重50公斤。weigh重量为…，根据two years ago，可知本句时态为一般过去时，所以用过去式weighed，故答案为weighed。【2】句意：一开始，他穿衣有问题。介词短语in the beginning一开始，起初，故答案为beginning。【3】句