OUR STUDENTS ARE USED TO WEARING HELMETS WHEN THEY RIDE AN ELECTR...
16.
Our students are used to wearing helmets when they ride an electric bike, _______ ?
A. did they
B. didn’t they
C. are they
D. aren’t they
16.
Our students are used to wearing helmets when they ride an electric bike, _______ ?
A. did they
B. didn’t they
C. are they
D. aren’t they