Such great progress ________ that the teachers are pleased with him.[ ]

The _____ you work at it, the _____ progress(进步) you will make.

ney _____, the lazy middle-aged womanbegan to steal others’ money at crowded places, such as bus stops, stations,airports and ports

tal cost is $200. If you can pay half of that,I’ll ________ the rest.

Science and technology is changing fast nowadays I bought this MP3 player at the beginning of this year but now it’s out of ________