Honestly speaking, I would agree with Shirley, though not ______.

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.

---Laura calls on her teacher pretty ____, doesn’t she? ---Yes. At least three times every week.

He injured his leg. ______, he couldn’t play in the game.

Chemical pollution will bring about a threat to agriculture and food chain, andto human health.