. He made up his mind to devote his life____________the river____________polluted.
It is time that you got down to doing something, so I urge that every one of you well prepared for the coming examination.
---How much do you like your car?---Very much, l would have paid for it.
It is a common in the USA that you should make an appointment if you want to see a doctor.
The flu virus seems to be to medicine, for I have taken medicine for a whole week, but I am still suffering from a bad cold.
20. The managers discussed the plan that they would like to see _______the next year.