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A small car is big enough for a family of three ____ you need more space for baggage.

A. once                 B. because              C. if                   D. unless

A small car is big enough for a family of three ____ you need more space for baggage.

A. once                              B. because                  C. if                           D. unless

A small car is big enough for a family of three ____ you need more space for baggage.

A. once                              B. because                  C. if                           D. unless

A small car is big enough for a family of three ________ you need more space for luggage.
A. once       B because               C. unless             D. in case

A small car is big enough for a family of three ______ you need more space for baggage.

A small car is big enough for a family of three ________ you need more space for baggage.

A．once?? B．because? C．if?? D．unless

A small car is big enough for a family of three ______ you need more space for baggage.

A．once             B．in case            C．if                D．unless

A small car is big enough for a family of three ________ you need more space for luggage.

A. once       B because               C. unless             D. in case

A small car is big enough for a family of three ____ you need more space for baggage. 

A. once             B. because        C. if         D. unless

A small car is big enough for a family of three ____ you need more space for baggage.