If people ______virtual reality holidays, we ______ on an around-the-world tour．
| A．invent; go | B．invented; had gone |
| C．invent; have gone | D．invented; would go |
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____in bed, he to me:“The hen has_________an egg.”
| A．Laying, lied, lay | B．Laying, laid, lain |
| C．Lying, lied, laid | D．lying, lay, lain |
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.Indeed,thanks to the good ideas of lots of people,like the cycling fans in the 1960s,many people around the world______the city centre streets without cars for many years.
| A．have enjoyed | B．enjoyed | C．have been enjoying | D．have been enjoyed |
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_______a bicycle to use,you have to insert a special card.
| A．Taking | B．To take | C．For taking. | D．Taken. |
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_____the wind and waves we were going in the direction of the whirlpool,and nothing could save us.
| A．By | B．At | C．To | D．With |
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By around 900 AD,there were many places in Northern Europe______the Vikings chose to live.
| A．in which | B．when | C．which | D．at which |