There is no doubt _____ MoYan, who was awarded the Nobel Prize in Literature the other day, has been _____ in writing for decades.
---Can you tell me Sam’s telephone number?---_________.Who is Sam? The newcomer?
The three teams _____ different ways to solve the problem and they all succeeded at last.
The band was very successful in the seventies, most of _____ members were in their twenties.
---Did you enjoy yourself in Hefei this summer?---________ It was too hot.
Every year _____ money are spent on environment protection.