It’s true that the old road is less direct and a bit longer. We won’t take the new one, _______, because we don’t feel as safe on it.

When the great man arrived, the club’s manager picked him up _____.

My boss hates interruptions,       when he is trying to work.

The boy was＿＿＿＿＿＿eager to get a geography book. 

This argument sounds reasonable, but ___________ it’s incorrect.