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小题1:My brother has been in the ________ (军队) for half a year. 小题2:Riding a bike will save energy and _______ (减少) air pollution. 小题3: ---What are you doing? ---I'm ___________ (考虑) changing my job. 小题4:---Are you free, Maria? I'd like to talk with you. It won't __________(占据) too much time. ---No problem. 小题5: I have __________ (为……付款) the shirt. Let's go home.