A.may | B.must | C.should | D.can |
A.should | B.must | C.would | D.used to |
A.might | B.shall | C.should | D.would |
A.wouldn’t | B.wouldn’t have | C.didn’t | D.hadn’t |
A.would sit | B.would have sat | C.would be sitting | D.were sitting |
A.could take | B.must take | C.should take | D.would take |
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