Tom, you ____ leave all your clothes on the floor like this.
The teacher has to ________ the two students as they are always talking in class.
You can visit our homepage _______ the Internet, which, in reality, is popular _______ our fans.
(2012·南宁高二检测) He didn’t make _______ clear when and where the meeting would be held.
(2012·衡阳高二检测) People often have the belief _______ a healthy environment and development cannot be possible at the same time, but this does not have to be true.
We should always keep in mind that accidents _______ from carelessness while driving.