单选题 The Copenhagen conference is looking to agree on a(n) ____ that will build on the current Kyoto Protocol.

单选题 On the road motorists should be aware of cyclists and be ____ towards them.

单选题 This project would ____ a huge increase in defense spending.

单选题 The team's efforts to score were ____ by the opposing goalkeeper.

单选题 Passengers ____ from smoking until the aeroplane is airborne.

单选题 We stood still, gazing out over the limitless ____ of the desert.

单选题 The teacher ____ expects his students to pass the university entrance examination.

单选题 It seems somewhat ____ to expect her to marry a man who she barely knows about for money.