A.can be enjoying | B.must have enjoyed |
C.would be enjoying | D.should have enjoyed |
A.shou1d | B.would | C.might | D.could |
A.can | B.might | C.could | D.Must |
A.Had | B.Shall | C.Would | D.Should |
A.mustn’t have gone | B.can’t have gone |
C.shouldn’t have gone | D.needn’t have gone |
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