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课时作业(三十三) [选修7 Unit 3 Under the sea] [限时：30分钟] Ⅰ.单项填空 1．The noise from the top floor, loud and constant, of the meetingroom ________ can be clearly heard in our classroom. A．being decorated B．having been decorated C．to be decorated D．decorated 2．________ in the leg made it impossible for me to walk as fast as usual. A．Being injured B．To be injured C．Having injured D．Injured 3．The silence of the library is sometimes broken by a sudden cough or the sound of pages ________. A．turning B．turned C．being turned D．having turned 4．She was wounded by an arrow, but still urged her ________. A．march B．marched C．to march D．should march 5．Usain Bolt ________ what he will be bringing to the audience as he prepares to defend his title in the London Olympics. A．is well aware of B．is well worth of C．is content with D．is satisfied with 6．To their relief, their students ________ escaped from the shaking building. | 
