Some aspects of a pilot's job be boring, and pilots often work at inconvenient hours．
A．can ; have to B．may ; can
C．have to; may D．ought to; must
Though it's a challenging job, he did it it took me．
A．one-third a time B．one – third time
C．the one - third time D．one - third the time
—What's the matter with John? He has been sitting there for hours．
—A postcard from his father an attack of home - sickness in him．
A．took up B．set off C．brought in D．built up
to playing computer games, he is always absent from school．
A．Lost B．Addicted C．Buried D．Absorbed
—Was it by cutting down staff are not diligent enough she saved the firm?
—No, it was by improving work efficiency．
A．that; when B．that; what C．who; how D．who; that
He slowed the bleeding by pressure to the wounds until the ambulance arrived．
A．assessing B．approving C．applying D．appointing
