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The warmth of_________sweater will of course be determined by the sort of

_________wool used.

A.the;the               B.the;/                  C./;the                   D./;/

The warmth of _____sweater will of course be determined by the sort of ___wool used.

A.  the, the    B. the ,/     C. /, the    D. /,/

The warmth of _____sweater will of course be determined by the sort of ___wool  used.

A．the, the  B. the ,/  C. /, the  D. /,/

The warmth of _____sweater will of course be determined by the sort of ____wool used.

A．The ; the        B．the ; /      C．/; the       D．/; /

The warmth of ____sweater will of course be determined by the sort of ____wool used.