A.has closed down | B.is closing down | C.closed down | D.had closed down |
A.will become | B.become | C.shall become | D.have become |
A.wouldn’t have fallen | B.had not fallen | C.should fall | D.were to fall |
A.may not be | B.won’t be | C.couldn’t | D.mustn’t be |
A.may | B.can | C.must | D.should |
A.Will | B.Shall | C.Would | D.Do |
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