_______ you do it, you’d better do it well.
A. Now that       B After            C. Although           D. As soon as

It is exactly the way ________ we speak ________ makes our teacher angry.

Nobody would stand out admitting the fact, for some reason, ________ they lost the game.

The teacher told the student to go back ________ he sat.

________ the Internet is bridging the distance between people, it may also be breaking some homes or will cause other family problems.

The danger of HINI was real, especially in the beginning,          little was known about the new disease.

All over the world the mobile phone has leaped from being an impossible luxury in the early 1980s to        most people would now call a necessity.

_______ parents say and do has a life-long effect on their children.

______we can’t get seems better than _______we have.

       he can pass the entrance examination is quite uncertain.