A.all the questions they think | B.whatever questions they think |
C.any questions they think | D.whatever questions they think that |
A.since | B.when | C.That | D.until |
A.where | B.that | C.what | D.which |
A.which | B.that | C.it | D.one |
A.who | B.which | C.whom | D.what |
A.how | B.that | C.what | D.which |
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