✔ 最佳答案
glad
If you are glad about something,
即
you are happy and pleased about it.
If you say that you will be glad to do something ,
即
you mean that you are willing and eager to do it .
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pleased
If you are pleased ,
即
you are happy about something or satisfied with something.
If you say you will be pleased to do something,
即
you are saying in a polite way that you are willing to do it.