A.but | B.and | C.if | D.so |
A.For | B.As | C.Once | D.While |
A.unless | B.until | C.if | D.or |
A.Unless | B.While | C.Now that | D.Even if |
A.Working hard | B.Work hard |
C.To work hard | D.With hard work |
A.When left | B.Leaving |
C.If you leave | D.Leave |
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