单选题 ______ were all very tired, but none of ______ would stop to take a rest.

单选题 Do you think ______ man called Smith is an honest person?

单选题 Michael was made ______ the car for a week as a punishment.

单选题 Linda is strongly ______ keeping animals in the zoo, because she thinks that animals should also have the right to enjoy freedom.

单选题 —Do you have enough students to carry the chains? —No, I think we need ______ students.

单选题 Jack, there is someone in the office, ______ would like to speak to you.

单选题 That physics problem is ______ difficult ______ nobody can work it out.

单选题 You'd better give up smoking if you want to keep ______.