句型转换：根据前面所给的句子完成后面的句子，使其意思不变，每空一词

It is a mystery how the Egyptians were able to build the Pyramids not using modern construction machines.

It is a mystery how the Egyptians were able to build the Pyramids ________ ________ ________ ________ modern construction machines.

句型转换：根据前面所给的句子完成后面的句子，使其意思不变，每空一词

Whenever he is. late, he can give various reasons.

Whenever he is late, he can give ________ ________ ________ reasons.

句型转换：根据前面所给的句子完成后面的句子，使其意思不变，每空一词

It is yet not known how these were conveyed over a distance of 380 kilometers.

People ________ ________ ________ how these were conveyed over a distance of 380 kilometers.

句型转换：根据前面所给的句子完成后面的句子，使其意思不变，每空一词

I want to know what life is like in the countryside in our province.

I ________ ________ life is in the countryside in our province.

I ________ ________ ________ the life in the countryside. in our province.

句型转换：根据前面所给的句子完成后面的句子，使其意思不变，每空一词

On may 3, 2002, archaeologists in England found a grave of a man dating back to around 2,300 BC.

On may 3,2002, archaeologists in England found a grave of a man which ________ ________ ________ 2,300 BC.