How many students have (宠物) at home?He often gives his (座位）to others on the bus?

How many students have (pets) at home?
有多少学生家里有宠物?
He often gives his (seat）to others on the bus.
他经常在汽车上让座.
这个不用怎么解释.这个就是让你填入汉字的英语而己.只要知道这些单词怎么写,然后变成复数就可以了.你确定以及肯定是填seat而不是他的复数形式确定一定以及肯定。 因为他每次让的时候，只可能占有一个座位