A.we couldn’t catch up with them | B.and we couldn’t catch up with them |
C.so we couldn’t catch up with them | D.but we couldn’t catch up with them |
A.when | B.how | C.whether | D.what |
A.Those who | B.Anyone | C.Whoever | D.Who |
A.that;that | B.which;which | C.that;which | D.which;that |
A.in which | B.from which | C.with which | D.through which |
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