In signal processing,there are many instances in which an in

In many instances there are alternate views?这里面的 alternate v In Rome,there are many ( ) buildings which attract thousands There are many different ways in which people can volunteer, there are few ways in which he is an adult. How many minutes are there in an hour?（回答） 填单词 How many m_____ are there in an hour? are,minutes,how many,there,in,hour,an there are many( ) in America There are many-----in America There is an old man in a house .In the house there are many nature materials are safe in food processing There are many kinds of ___tea leaves which are nerved in __