题目

How happy we are! The holiday we have been looking forward ________at last. A . to has come B . to have come C . to having come D . has come 答案：A小头爸爸挖了一个底面直径为8米，深为2米的圆柱形水池．（1）如果在四周和底面抹上一层水泥，抹水泥的面积是多少平方米？（2）挖这个水池，一共挖土多少立方米？