Identify the one underlined word or phrase. A, B, C or D - that must be changed for the sentence to be correct.

Some of (A) my friends have (B) considered not going to (C) college because (D) the cost.

Choose A, B, C, or D that best completes each sentence. _______ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

Choose A, B, C, or D that best completes each sentence. The public praised the local farmers for _______      millions of trees on the surrounding hills.

Choose A, B, C, or D that best completes each sentence. We admired the Japanese _______ the city of Fukushima after the disaster.

Choose A, B, C, or D that best completes each sentence. Certain _______  in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.

Choose A, B, C, or D that best completes each sentence. They don’t forget _______ a short vacation in Cuc Phuong National Park last year.

Choose A, B, C, or D that best completes each sentence. All of the disasters resulted from_______ will continue to have a devastating effect on socio-economic development.

Choose A, B, C, or D that best completes each sentence. Methane is a far more active _______ than carbon dioxide, but also one which is much less abundant in the atmosphere.