A.was, be sent | B.is, is sent | C.be, was sent | D.be, send |
A.who | B.whom | C.that | D.whose |
A.if | B.that | C.whether | D.how |
A.except | B.except for | C.except that | D.but for |
A.Whichever is hard | B.No matter what is hard |
C.What is hard | D.All what is hard |
A.That | B.What | C.How | D.Which |
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