158. Let's have a beer or something, shall we?

159. Yes, let's go.

160. Shall we go out for a walk?

161. Why don't you take some medicine?

162. What about going window shopping?

163. How about going out for dinner?

164. I'd like to suggest that you take a few days off.

165. You'd better/ought to /should explain it to him.

166. Can I offer you some advive?