If there no buying and selling of animals, there no killing in nature. A. is; will be B. will be; will be C. is; is
Jack described his father, who _____ a brave boy many years ago, as a strongwilled man.
Is it the country _____ you studied English _____ you are going to visit next week?
_____ the oil price is on the rise, lots of people go to work by BMW instead of driving cars.
Who would you rather _____ with you tomorrow morning?
Will you please tell me the way you think of _____ the problem as soon as possible?