Question About 过 and 了
I am just an elementary user. Nonetheless, I was puzzled by your use of 过 and 了 in two recent lessons. In the Checking out of a Hotel lesson, the expansion sentences included: 我 一共去了五次。I would have used 过 in this sentence because going somewhere is a repeatable event in the past, more of an experience. I thought you used 了in this context when you went somewhere and had not yet returned.
Conversely, in the Getting Picked Up By a Driver lesson, in the expansion sentence 我问过老师了，I can't figure out why both 过 and 了 are used.
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