She learned the rules of the game step _____ step.
A: by
B: on
C: to
D: down
A: by
B: on
C: to
D: down
举一反三
- She learned the rules of the game step ______ step. A: in B: by C: up D: at
- 单项选择1( )She learned the rules of the game step _______ step. A: by B: of C: to D: in
- She learned the rules of the games step （ ） step. A: of B: to C: by D: in
- 5 She learned the rules of the game step ______ step.______
- He is improving step ____step. A: after B: by C: in D: for