I think Helen is at home. — No, she ____ be at home, for she phoned me from the airport just five minutes ago. [ ]

_____anyproblemswhenyouarriveattheairport,givemearing

No one taught ____ English. He learned it _______. — He is so clever.

He admitted that he had made an error

u knowwhy Michael resigned from the board－He held outfor higher wages, but was ____ in the end