根据句意和首字母提示,补全单词 Most(大多数) fish don’t live on land. They live in the s______, lake and river. The t______ is busy at this time of the day. There are so many cars in the street. This computer is very c______. It is only 800 yuan. Is your summer holiday l______ or short? The sun r______ in the east in the morning.
用括号中所给词的适当形式填空。 Many animals may _______ (appear) one day if we don't protect them well. If the number of one kind animal drop too low, it will bring _______ (dangerous) to the whole ecosystem. ______ (recycle) paper is very easy. Mr. Green rides a bike to work instead of _______(drive) his car now. While you ______ (wash) your face, you'd better turn off the lap.
根据句意及汉语提示写出单词。 Let's meet at the school _______ (大门) at 8:00 a.m. _______ (总统) Obama visited China last month. The news is an ________ (鼓舞人心的事) to all of us. In my opinion, this is his greatest ________ (艺术作品). The beautiful model is made of _______ (金属).