Government officials cannot ________ accept bribes(受贿)，but in China quite a few take advantage of their power to break the rule

_______ I cook meals for my family at weekends.

It was not the cyclists but the driver who ________for the traffic accident.[ ]

Recent research has ________ the causes of the mysterious disease that has claimed thousands of lives.

This computer is of good quality. If it ___________ break down within the first year, we would repair it at our expense.