ill people die of in 100 yearsIf you think that is a simple question, you ______ attention to the revolutiontaking place in biotechnology．

The money is used to ________poor people and to support development projects.

Work starts every day at 7 am and goes onuntil late afternoon__________a break at midday

While he has got high marks in the college entrance examination, he thinks that it is ______________ satisfactory.

It’s important us learn English well.