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1.Lily has taught English _____________
and she enjoys her job a lot.
3.Lily __________________________ and
she's familar with(熟悉) teaching online.
2.Many of Lily's students ____________
and they're really helpful in different areas.
What do you know about Lily?
A. for 5 years B. for 20 years
A. grew up B. have grown up
A. has never taught online
B. has taught online several times
for 20 years
have grown up
has taught online several times
He has been the CEO of Alibaba Group
since 1999.
He has taught English in a university.
He has founded(创立) Alipay.
Who does Lily admire (钦佩)most?
Jack Ma is one of the 100 people
who "most affect(影响) our world" .
shopping online
mobile payments
______ have changed the world!
Dreams
Then, what do you think has changed the world? Is it technology(科技)? Or anything else?
In the past 20 years, our world has changed a lot. Shopping online has become more and more popular since Jack founded Taobao and Alipay. We have got used to doing almost everything we like online. Mobile payments(移动支付) have made our life much easier.
Then, what do you think has changed the world? Is it technology(科技)? Or anything else? According to Jack Ma, dreams have changed the world!
When do we use the present perfect tense?
过去发生的事情