What about _(留下) here for the weekend?

题目

What about _(留下) here for the weekend?
The cat weighs about six kilos.(对about six kilos提问)_ _ _ the cat
My best friend is tall and has big eyes.(对is tall and has big eyes提问)
_ _ your best friend _ _
I'm sure that you have the _(able) to finish the work on time.

答案

1.staying
2.How much does,weigh
3.How does ,look like
4.ability