A.must | B.may | C.ought to | D.has to |
A.used | B.used to be |
C.used to | D.used to do |
A.could | B.can | C.will | D.must |
A.might it be | B.could it be |
C.could it have been | D.should it have been |
A.am spending | B.will spend |
C.have spent | D.had spent |
A.be paid to spelling | B.to be paid to spelling |
C.should pay to spelling | D.and spelling be paid to |
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