动词填空 用括号内所给动词的适当形式填空。(本大题共8小题，每小题1分，共8分)
This work needs close teamwork. Nothing ________ (achieve) unless we work well  together.
While we were discussing our family travel plan that day, Father suggested________ ( visit)  Hawaii—some beautiful islands which lie in Pacific Ocean.
— I have already decided not to study abroad.
— Really? I thought you________ ( not give) up the chance forever.
It’s believed that pollution________ (remain) one of the biggest problems for Chinese  government.
We suppose that neither Lucy nor her twin sister________ (see) the Hollywood film  “Cinderella” so far.
— Judy is too nervous to express herself.
— Don’t worry! Look! Miss Zhang is saying a few words________ (encourage) her.
The geography teacher said that nearly three quarters of the earth________ (cover) with water.
The house in which the Nobel Prize winner ________ (live) as a child is now a museum.