1. Can you help me?
你能帮我一下吗?
还能这样说：
Could you please help me?
Would you mind helping me?
应用解析：
be helped up with 为……所累;
例如：I couldn't go quickly because I was helped up with a lot of parcels.
我因为拿着许多大包，没法走快。
2. Have you any yellow shirt in stock?
你们店里卖黄色衬衣吗?
还能这样说：
Do you sell yellow shirts?
Is there any yellow shirt in your stock?
应用解析：
yellow 还可以表示“胆小，卑怯”等性格特点。
例如：He is too yellow to stand up and fight.
他太胆怯了，以至于不能站起来去战斗。
3. Have you any shoes like these?
你们有这种鞋子吗?
还能这样说：
Do you sell shoes like these?
I wonder if there are any shoes like these.
应用解析：
another pair of shoes 完全是另一回事;
be/stand in sb.'s shoes 处在别人的位子，处在别人的情况之下;
die in one's shoes 惨死，横祸;
step into/fill one's shoes 接替某人;步某人后尘
4. I'd like to see some towels.
我想看看毛巾。
还能这样说：
I want to buy some towels.
Do you have any towels here?
应用解析：
throw in the towel 认输，投降