亚洲视频免费一区,国产欧美综合一区二区,亚洲国产观看,91精品啪在线观看国产91九色,日本又黄又粗暴的gif动态图含羞,麻豆国产一区二区在线观看,中文字幕在线二区

^{<pre id="u480q"></pre>}

"Can you tell me the differences between 'begin to do something' and 'begin doing something'? "

Winter Wang

Do you know the differences between 'begin to do something' and 'being doing something'?

Which of these sentences is correct?

'I began to learn Chinese when I was 15.'

'I began learning Chinese when I was 15.'

Find out the answer in this Q&A programme.

If you have a question you'd like us to answer, you can write to us or email: questions.chinaelt@bbc.co.uk