（These three) pieces of luggage is yours.

（These three) pieces of luggage is yours.用is对吗?还是用are.为什么?并且 首字母填写 which p.of luggage is yours? there are three pieces of paper 对还是there is three pieces of three pieces of bread^^^^^^ There --------- three pieces of meat .到底填 is 还是are how many pieces of luggage do they have? 求助英语翻译“how many pieces of checked-in luggage“谢谢! Here is （）?Are these yours.A.a set of I lost a set of keys.然后是用 Is this yours?还是Are these yours? 为什么three pieces of bread不对呢 There ( ) three pieces of paper on the table A.is B have C a how many pieces of hand luggage do you have 此句中的名词词组hand lug