A.ranked | B.to rank | C.to be ranking | D.ranking |
A.to arriving | B.to received | C.to arrived | D.to receiving |
A.polluting | B.from polluting | C.being polluted | D.polluted |
A.to be chosen | B.to choose | C.to choose from | D.for choosing |
A.to not be | B.not to be | C.not being | D.being not |
A.reducing | B.reduce | C.to reduce | D.reduced |
© 2017-2019 超级试练试题库,All Rights Reserved.