Помогите пожалуйста надо вставить в пропуски - can,could, or be able to
Complete the sentences with the correct form of can,could, or be able to.

Example: We were so hungry we couldn’t wait for dinner, so we ordered pizza.

After three months living here, I ________
understand quite a lot of Russian.
2I’m free tonight, so I’ll ________ come and help you if you like.
3I’d love ________ play a musical instrument.
4________ you lend me a pen, please?
5I’ve never ________draw well, but my sister is brilliant.
6What does this label say? I ________ see without my glasses.