New Words:

ask [æsk] 问;要求;请;请求;询问
problem [ˈprɒbləm] n.难题;困难;棘手的问题

Sample Sentences:

Can I ask a question?
He asked her to marry him.
He was so busy that he had to ask for help.

Let me know if you have any problems.
This is going to be a huge problem for us.
‘Thanks for the ride.’ ‘No problem.’
‘Can I pay by Alipay?’ ‘Yes, no problem.’

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