A.would | B.might | C.needn"t | D.can"t |
A.Could;might | B.Would;might | C.Might;could | D.Would;could |
A.wait for | B.must wait for |
C.must be waiting for | D.has waited for |
A.should | B.must | C.would | D.shall |
A.will | B.would | C.were to | D.were going to |
A.will have arrived | B.should | C.had arrived | D.would have arrived |
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