1 Complete the sentences with the correct active or passive form of the verbs in brackets. 1 3D films _______________ (exist) since 1922, when The Power of Love was first shown. 2 Smoking _______________ (not allow) on any planes in the EU. 3 The world’s first manned hot-air balloon _______________ (make) by the Montgolfier brothers in 1783. 4 Look out of the window! I think our house_______________ (watch)! 5 By the time Sandra got to the party, all the food _______________ (eat). 6 More than three million tourists _______________ (visit) the Taj Mahal in 2004. 7 Do you think hotels _______________ (build) in space in the future? 8 Twelve people _______________ (walk) on the Moon since the first Apollo landing in 1969. 9 The traffic is really bad this week because a tennis tournament _______________ (hold) in our town. 10 The shopping centre _______________ (not close) until midnight on Thursdays.

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