heva组合单词填空怎么填

组合单词是have，例如：

1.We've had one or two problems ─ nothing serious.我们有一些问题，不过没什么大不了的。

2.They have the support of most of the country.他们有大多数国民的支持。

3.His family have been a very positive influence on him.他的家庭对他有十分良好的影响。