A.are ; is | B.are ; are | C.is ; are | D.is ;is |
A.is sold | B.are sold | C.were sold | D.are going to sell |
A.Three-five, are | B.Three-fifths, have been | C.Three-fifths, has been | D.Third-fifths, is |
A.was | B.were | C.would be | D.are |
A.are being | B.has been | C.had been | D.have been |
A.am | B.are | C.is | D.were |
© 2017-2019 超级试练试题库,All Rights Reserved.