I am not feeling myself today! We ____ have drunk that much beer last night.

I’d like to invite him _________ to my birthday party.

The reason why she had a headache was _______ she had been reading for too long.

If we work hard, we can overcome any difficulty, ________ difficulty it is.[ ]

We need someone to host the New Year Party. — ________ the handsome young man have a go?