RUN_________ OR YOU'LL NOT CATCH THE BALL.A. FIRSTLY B. FAST C. SLO...

4. - DE KIEM TRA AV9 HOC KI II
DE KIEM TRA AV9 HOC KI II
4. Run_________ or you'll not catch the ball.A. firstly B. fast C. slow D. slowlyIII. Fill in the blank with one suitable preposition. (1pt)