分类：教育/科学-学习帮助
问题：Excuseme,butIneedanurgenthelp.Wh 
Who can tell me the differences between "I wonder..."and "I don't kown...". I ne full explaination.Many thanks!
回答：wonder can express two meanings.
(1). ask oneself   
e.g. I wonder whether they will arrive on time.
(2). used as a polite way of introducing a repuest
e.g.  I wonder if you could borrow me this book.
I wonder whether/if + clause
I don't know +noun/object clause
e.g. I don't know your name.
     I don't know where you live.