A:but
B:and
C:so
D:for
storybook keys egg pencil candies
—What's in the desk?
—Three____,an ____,a ____,a____and some____.
将大米播种在松软湿润的土壤里,在适宜的温度下,不能萌发的主要原因是
地质学家常利用地震波来寻找矿产资源,据下图A处地震波波速变化信息看,在A处最有可能储藏的矿产为( )
We have T-shirts ________ black, yellow and blue_____ $10.