Walking is a fine exercise同义句___is a fine way of wxercising ____ _____

Walking is a fine exercise同义句___is a fine way of wxercising ____ _____ It is a fine day .What about ___________?A goingIt is a fine day .What about ___________?A going out for a walk.B going out for a walking选什么,请给出理由. Walking is good中Walk为什么要加ing呢还有就是It is a fine day for walking today.这种情况为什么也加ing请详细说明谢了 请问英语中动词做主语就要加ing吗变成动名形式吗还有就是介词后面加动词也要加ing吗?比如walking is good 和it a fine day for walking today 请问英语中动词做主语就要加ing吗变成动名形式吗还有就是介词后面加动词也要加ing吗?比如walking is good 和it a fine day for walking today it is a fine day. President Obama is walking a fine line in his 2011 budget.He is seeking $100 billion to tackle unemployment,while moving to trim the federal budget deficit.RT,walk a fine line这里是什么意思walk a fine line还有没有别的意思?有的话造 It is a fine day today.It ,fine a rest is for walking more long ____weather it is today!A.How fine B) What fine C) How a fine D) What a fine ______ weather it is today!A.What a fine B.What fine C.How fine D.How a fine It is a fine day tody .(感叹句) Today is a fine day.翻译中文 -Today is a fine day ,hey .翻译 It is a fine day,isn't( He is a man of fine manners. how fine a day is it? This is a fine kettle of fish.