A.Is; is put on | B.Are; is put on | C.Is; put up | D.Are; is put up |
A.am | B.be | C.is | D.Are |
A.has | B.have | C.had | D.is having |
A.are | B.has | C.is | D.Were |
A.grazes | B.is grazing | C.was grazing | D.were grazing |
A.is | B.are | C.was | D.has been |
© 2017-2019 超级试练试题库,All Rights Reserved.