英语题.1、It took 10000 people more than 10 years to build the G

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英语题.
1、It took 10000 people more than 10 years to build the Great Pyramid.
Oh, that ________ a very hard task.
A must be B must have been为什么不用A?
2、We must take measures to protect these species.
That's true.When animals and plants disappear,______
A so does man B so will man为什么不是A,动词不是应该与前面一致吗,如果用B的话前面不也应该是将来时吗

1.因为建造这一动作已经完成了,所以用完成时
2.做题不能单记这些规则,语言本来就很灵活,比如这句,动物植物还没有消失啊,是将来时,所以从句也是将来时喽,要灵活

it took 1 million people more than ten years(to take)the gre It took Chinese people more than 4 years to prepare for the 英语翻译It took them more than ten years to build it under terri it （）the workers more than two years to build the hospital It __ the workers more than two years to build the hospital. In the past,it took people （more than five weeks） to travel 1.It took the workers ten years to build the palace.(改为同义句） it took (2000 slaves 20 years) to build the pyramid 括号提问 It took them nearly 100 years to build the palace.(同义句) They It took them three years to build the bridge.(改为同义句） It will ____ more than one year to build the hospital.A.brin It took the model maker Jay Sheppard more than 100 hours to