选词填空(可变换形式)

【小题1】It’s impolite to __________ someone who is speaking to you.
【小题2】It’s hard for the poor boy to __________ by selling newspapers.
【小题3】When he left the city, he __________ all the useful things to his neighbours.
【小题4】It is a pity that in the last international marathon, she __________ after 20 kilometers with stomach trouble.
【小题5】I have the confidence that someday you will ___________ the importance of helping each other.
【小题6】Being __________ and having two young children to support, they found it impossible to make ends meet.
【小题7】If you are sick you should not __________ going to the doctor.
【小题8】He was continually __________ new schemes to promote and enlarge the business.
【小题9】Airliners in service __________ cannot fly faster than the speed of sound.
【小题10】As the automatic cars rely on software, people __________ how safe they are.