She learned the rules of the game step ______ step.
A: in
B: by
C: up
D: at
A: in
B: by
C: up
D: at
举一反三
- She learned the rules of the game step _____ step. A: by B: on C: to D: down
- 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