In1994, China began collecting income tax from citizens earning more than 800 Yuan per month but only 1% people were earning more than _______; now about 60% earn the amount.
It didn’t take the children long to________ the correct answer.
_____ herself to science, the great scientist took little notice _____ the honors given to her.
The old couple, ____had been admitted to university, were living a hard life.
--Has Peter handed in his paper yet? ---I’m not sure. He _______ on it last week.
The biggest problem for most plants, which ______ just get up and run away when threatened, is that animals like to eat them.