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课时作业(三十九) [选修8 Unit 4 Pygmalion] [限时：35分钟] Ⅰ.单项填空 1．Though a typhoon is on the way, people are still looking forward ________ the outdoor concert by the pop singer. A．to canceling B．not to canceling C．not to cancel D．to not canceling 2．Besides the Internet, television is another major way of communication, ________ us to see the performer as well as to hear the voice. A．permitting B．to permit C．being permitted D．permitted 3．Walter offered us a lift when he was leaving the office, but ________our work, we declined the offer. A．not finished B．not having finished C．finished D．having finished 4．________， the disease diphtheria will produce a powder poison that will kill the patient. A．If it untreated B．If is untreated C．If being untreated D．If untreated 5．While ________ as a volunteer at the Beijing Olympics, she made friends with the famous tennis player. A．being served B．serving C．having served | 
