He is kept in the dark and is not _______ that the company is losing money.

. We all demanded the new type of machine ____________   put into use as soon as possible.

Mr. Fox fell ill, thus __________ it necessary for us to find another person for his job.

Recently ,the European Union(EU) has decided to provide ＄30 billion of emergency fund to help ________ the financial crisis that is happening in Greece.

Don’t             until tomorrow what can be done today.

. China’s quick reaction and the public efforts have ________ the rapid restoration（恢复）and reconstruction of Wenchuan.

He was unable to ________ to the students what he meant.

We all like to make friends with him because he always ________.

Many working women ________ relatives to help take care of their children.

Much new high technology has been introduced from America, ________ a great increase in the production of the company.