We have to work extra hours to finish our plan, _______ the boss can’t allow us to take a day off tomorrow.
A．so B．or C．and D．but
－Miss Jones once _________ music at a local college for ten years and now is an actress.
－No wonder I often hear her sing some pop songs.
A．had taught B．has been teaching C．taught D．is teaching
________ that he found it difficult to stop at the busy crossing.
A．So fast he was driving B．So fast was he driving
C．So fast drove he D．So fast he drove
High school students continue to work hard, _______ they often complain about great burdens and pressures in their life.
A．as if B．as long as C．unless D．even though
________ in what he was reading, he didn’t see me before he almost knocked me down.
A．Absorbing B．To be absorbed C．Absorbed D．Having absorbed
Without the timely aid from different provinces, the affected people in those areas ________ the difficulty.
A．wouldn’t overcome B．mustn’t have overcome
C．hadn’t overcome D．wouldn’t have overcome
