--- Do you often ride _______ bike to school, Tom?
--- No. I usually come to school by ______ bus.
A.a, a | B.a, the | C./, / | D.a, / |
--- Do you often ride _______ bike to school, Tom?
--- No. I usually come to school by ______ bus.
A.a, a | B.a, the | C./, / | D.a, / |