We can the TV. Nobody is watching it.( )
A.turn offB.turn onC.turn upD.turn down
Sweet wormwood (青蒿)is a common plant in China.Tu Youyou is the woman______used the plant's special power to save millions of lives.( )
A.whichB.whoC.whoseD./
These people dress themselves in bloody shark suits.They tell people______shark fins in order to protect sharks.( )
A.eatB.to eatC.not eatD.not to eat
_____do you have dinner with your family at restaurants?
Hardly ever.( )
A.How oftenB.How longC.How manyD.How much
"I want to go to Mars (火星),because it's a place that no one______to before,"said Carson.( )
A.has goneB.has beenC.wasD.went
Mr. Wang is very friendly to us. He is of all the persons I know.( )
A.patientB.less patient
C.more patientD.the most patient