Créer une activité
Jouer Test
1. 
What is this?
A.
motor
B.
bell
C.
resistor
D.
cell
2. 
What is this?
A.
bell
B.
light bulb
C.
motor
D.
resistor
3. 
What is this?
A.
resistor
B.
motor
C.
bell
D.
light bulb
4. 
What is this?
A.
resistor
B.
bell
C.
switch
D.
cell