We_____knowledge from our families,schools,jobs,and the mass media.

重写句子：At the international museum, you can find ancient Egyptian art. You can explore African artifacts there. You can discover beautiful textiles from around the world there.(parallel structure)

If the operation ________ carefully prepared, it would not have been successful.

The sad condition of women working as house servants around the world received much media_____early this year.

Mrs. Smith locked both the front and the back doors before she went to bed______thatsomeone might steal into the house at night.