1 . The money you provided helped him, but the emotional support helped ______.

A．much more

B．more much

C．much most

D．most much

2 . Cuona Lake is so close to the railway that I want to reach ______ and touch its pale blue mirror-like surface. (用适当的词填空)

3 . The senior engineer is a man of wisdom, who is in charge of directing the building of the subway. (同义词替换划线词)
The ________ engineer is a man of wisdom, who is in charge of directing the building of the subway.

4 . This was ________ ________ (无疑) the reason behind the invention of the wheel in ancient times, which much later developed into the car. （根据汉语提示完成句子）