Ten dollars are/is a big sum for me哪个正确

Ten dollars are/is a big sum for me哪个正确 Ten thousand dollars _____quite a large sum A.are B.is C.wer ( ) Ten dollars enough three pairs.A.are,in B.is,for C.are,f He lost 2000 dollars yesterday,which ___ a big sum for an or 2.选择 Thirty dollars( )enough for me.A.are B.is C.were two hundred dollars ____ a large sum of money for me. these are so expensive.Ten dollars is ten dollars!"Ten dolla Ten minutes ___enough for me.A.is B.are C.am D.be my brother‘s shorts （ ）too big for me.A,are B,is C,am This pair of shoes _____ too big for me to wear.A.are B.is c i don't think one hundred dollars a big sum of money to him will be twenty dollars a big sum to her 为什么不对