do you know more people are riding bikes to work?—— why do you know more people are riding bikes to work?（1處）
answer the question with different ways——answer the question in different ways（1處）
too many money to buy them——too much money to buy.(兩處)
that is easy to find a place for it ——that is easy to find place for it（1處）
too often people only drive—— so often people only drive （這個不是很確定）
they think riding bikes are a kind ——they think riding bikes is a kind （1處）
people are now riding to work by their bikes ——people are now riding to work on their bikes（1處）
like riding bikes instend driving their cars——like riding bikes instead of driving their cars （1處）