① 用英语说他有五个足球七个篮球
他有五个足球七个篮球
He has five footballs and seven basketballs.
② 他们有五个篮球。用英语怎么说
They have five basketballs.
③ 他有多少个篮球,这句话用英语怎么说
呵呵，我觉得应该是这样说的，你觉得呢？He has the number of basketball
④ 他们有篮球用英语怎么说
They have (got) a basketball. got 可有可无
They have (got) some basketballs.
They own a basketball. own 拥有
They possess a basketball. possess 拥有
注意你想用单数还是复数 自己选择