你能帮帮他们吗
We are going to come back back at six o'clock.否定句和一般疑问句
1年前
it was he who told you the news 强调句 这里为什么是有 he 不有him 呢 说说强调句
1年前
求关于物理化学实验数据的处理,在形成稳定中间化合物的二组分体系实验中,中间体是六水和硝酸镁,析出点88度,加入少量水后析
1年前
一辆汽车第一小时行了82.7千米,第二小时行了90千米,第三小时行了92.4千米,估算平均每小时行多少千米?正
1年前
his brother's handbag is heavier than his his brother's划线,对划
1年前