Sixteen-year-olds          to drive.

A. is allowed     B. are not allowed   C. allowed      D. is not allowed

Sixteen-year-olds          to drive.

A. is allowed     B. are not allowed  C. allowed      D. is not allowed

Sixteen-year-olds          to drive.

A. is allowed    B. are not allowed  C. allowed   D. is not allowed

Sixteen-year-olds __________ to drive．

A．is allowed               B．are not allowed           C．allowed             D．is not allowed

 —Sixteen-year-olds ______ to drive in China.

—But in America, they can.

A. is allowed   B. is not allowed   C. are allowed   D. are not allowed