1 When my teacher asked me to write about someone I admire, I chose my great aunt. ____,she's the kindest person I've ever known.2 People's tastes have always changed and, ____,they are changing more quickly these days than they used to.3 Is it likely that we're not alone in the universe? And if ____ life is out there. why haven't they contacted us yet?4 We love having our grandchildren visit, but the trouble is that they always leave such a(n) ____ for us to clean up afterwards.5 The letter urges that customers should treat with great ____ any email appearing to come from their bank.6 My grandfather was born in Shanghai ____ and moved with his family to Britain in the early 1920s.7 The ____ of high levels of carbon monoxide (一氧化碳) in the blood of a victim found at the scene of a fire is proof that the victim died after the fire started.8 It's the strongest ____ ever produced. It can stand very high temperatures and is machine washable.9 Often there's no clear evidence to be found, and you just have to base your judgment on ____.10 I strongly ____ the benefits of traditional Chinese medicine herbs.11 Rather than an overseas vacation, we planned an inexpensive weekend trip to celebrate our wedding ____.12 You can't know if you've got a(n) ____ for the piano if you never try to play it. The same is true of drawing, cooking and singing, etc.13 More than two-thirds of Americans ____ of tax reduction according to a Gallup poll (盖洛普民意调查) published recently.14 These investment programs aim to create employment and thus lay a ____ for sustained economic growth.