Ask for advice 寻求建议
（1）What shall I do?
（2）Can you help me?/Can you give me a hand?
（3）What should he do?
（4）Could you give me some advice?(a piece of advice, some pieces of advice)
Give suggestions 提出建议
（1）You should say you are sorry.
（2）You could write him a letter.
（3）They shouldn’t argue.
（4）Maybe you should call him up.
（5）I think Evin should tell her friend to get different clothes.
（6）Why don’t you tell him the truth?
（7）Why not borrow one?
（8）Let’s go shopping.
（9）Shall we play soccer?
（10）How about /What about seeing a movie?
（11）You’d better not go out now.
（12）It’s best to wear warm clothes.