Shall we go shopping?=== Let's go shopping,shall we?=== Why not go shopping?=== Why don't we go shopping?=== What/How about going shopping? 意思为:建议…… Why not do…?Let’s do… Shall we do…?What (How) about doing…?Would you like to do…?Will you please do…?Why don’t you do sth…? 都是题提建议的句型,