---Can __________ work out the problem?
---__________, I think. It is too hard.

_______ work late. They’re very busy when people go out to dinner.

---Can __________ work out the problem?

---__________, I think. It is too hard.

A．anyone, No one     B．someone, Nobody   C．anyone, Someone   D．someone, None

_______ work late. They’re very busy when people go out to dinner.

A．Policemen         B．Waiters           C．Bank Clerks        D．Actors

_____can work out the problems because _____of the problems is easy.

A.None;no one B.None;each C.No one;none D.Each;every