Fill a suitable word to make it an idiom

----- Nội dung dịch tự động từ ảnh -----
V. Fill a suitable word to make it an idiom
1. With the boom in the internet use, e-commerce seems to be the.....of things to come.
2. The guy you recommended to me seems too much of a party..... I'm looking for someone responsible.
3. We don't regard our entry requirements as hard and.....rules; we are prepared to be flexible.
4. He doesn't like people using his computer, so he won't take.....to the idea of sharing one.
5. My brother knows Brazil very well. He has travelled the length and.....of the country.
6. The manager refused to point the......at anyone in particular and said the whole staff were sometimes guilty of being late.