(2013·河南豫西五校高三质检)The text is too difficult. The explanation of our teacher will help make it easy ________.

(2013·福建毕业班质检)It is said that sixty percent of all energy ________ in the world today is being lost as waste heat.

(2013·安徽江南十校联考)—I regret ________ you that your application has not been successful.
—Not successful? I performed pretty well in my interview!

English teachers are supposed ________ their students a test in class, even after class, ________ better teaching results.

Similarly, active places exist around the globe, with some even ________ a new kind of tourists.

We regret _____ you that．because of the necessary repair, our library will be closed next month．

With two children _____ high school, the farmer couple have to work from morning till night．

Many people think any government's work should be evaluated ______ on citizens' happiness level．

If _______, I bet, Milinski will burst into tears.

(2013·山西高三诊断)Red Sorghum was adapted from Mo Yan's 1986 novel of the same name, ________ to life a visual landscape of red sorghum and a fiery ________ sun.