the light is out. they can not be working now.

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• At night,we can see lots of stars (1)____ the sky.根据上下文填空We see them every night, and we think they are always there.But this may not be true.We can the stars now (2)____ some of them aren't there now!The light from a star comes (3)____ us very fast, but it comes a long way. Alpha Centuri is a star near to Earth. Light (4)____ star takes four years to reach us. We see the star how it was a long time ago, not (5)____ it is now.
• 英语翻译Leonardo Da Vinci (达芬奇) began painting the Mona Lisa (蒙娜丽莎) in 1503.He was working on a special painting for a church at the time,but the church painting was not going well.An Italian businessman asked Da Vinci to paint a picture of the businessman’s second wife.This is the woman who can be seen in the Mona Lisa.The Mona Lisa is a very good example of Da Vinci’s work.Da Vinci uses darkness and light in the painting.Da Vinci loved science and maths
• the light is out. they can not be working now.
• The light in Mrs White’s bedroom is on.She ____ be at home now.填must还是 can
• 英译汉 Do you like playing computer games?Do you like playing computer games?Can I go to have Lunch before 12 o'clock?I like the falt.It's large,light and modern He's currently working on TV advertisements
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• the light is out. they can not be working now.为什么用be working 呢?是虚拟语气嘛?
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