A.allows | B.is allowed | C.promises | D.is promised |
A.are, told, cross | B.are, told, across | C.are, telling, crossing | D.are, told; crossing |
A.may do | B.must do | C.may be done | D.must be done |
A.allowed to stay up | B.allow to stay up |
C.allowing staying up | D.allowed stay up |
A.are allowed | B.are | C.allowed | D.allow |
A.was built | B.should be built | C.has been built | D.is being built |
© 2017-2019 超级试练试题库,All Rights Reserved.