A.as | B.and | C.or | D.but |
A.If | B.When | C.Whether | D.What |
A.in which | B.which | C.that | D.in that |
A.who’s car | B.of which the car | C.the car of which | D.whose car |
A.since | B.that | C.when | D.before |
A.which | B.how |
C.what | D.having |
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