_______ in her office for nearly 20 hours, she is going home to have a rest.
Instructions for homework have to be ______ so that every student knows clearly what is to do after class.
The man is such a ________ person that there is no doubt that he will do whatever he has promised.
People have the belief ______ factories should produce fewer things from raw materials, ______ the supply is growing smaller and smaller.
________ Yao Ming has retired from the NBA, the pleasure we have got by watching him play basketball at home and abroad will last long.
The ________ soldier said it was ________ to give up his rest time to save more people caught in the earthquake.