The magic show has been on 20 minutes. It has been on 2.p.m.
A:for, since
B:in, since
C:for, for
D:since, for
蜗牛____(wō wuō) 紧贴____(tiē tiě) 蛟龙____(jiāo jiǎo)
枯萎____(wěi wéi) 逐渐____(zhú zú) 牢固____(láo lǎo)
我国长江、黄河、珠江均注入的海洋是( )
不能从右图中获取的信息是( )