Daviod’s made great progress recently.

The “Chinese Dream” is _______ dream to improve people’s well-being and ____ dream of harmony, peace and development．

Scientists say it may be five or six years _____ it ispossible to test this medicine on human patients

In preparing scientific reports of laboratory experiments, you should _____ your finds in logical order and clear language.

It is the first time that the local education authority ________ such strict requirements ongoing-to-school time for primary and middle school students. [ ]