With he help of his friends, he finally s________ the problem.
The law needs to be __________ (简化)
We will all have a course in __________ (古代的) history this term.
The head of the large company has many ____________ (职责，责任)
I can’t ___________ (想象) meeting you here.
He was _________ （挑选）to play for England.
