题目

The children, sitting on the ________ (wood) boat in the river, shouted with great joy. 答案：【答案】wooden【解析】句意：孩子们坐在河里的木船上，兴奋的大叫。wood意为“木头”，不可数名词，其形容词为wooden,意为“木头的”，wooden这里作定语修饰其后的名词boat，故答案是wooden。We drove to the airport to meet an expert from Germany, about 50 years old, his hair ________. A．was completely grey                     B．be completely grey C．to be completely grey                    D．completely grey