Dear teachers,
Please read:
Do you choose “at”, “in” or “on” for each sentence? For each sentence, all are possible and interchangeable? If not, how to distinguish when using “at”, when using “in” , when using “on”?
Quoc
. One short, simplistic answer:
At a skill In a field On a topic. .
Thanks Sir,
But what does “one short” mean? It’s an expression?
Hi Quoc,
Mr. Micawber gave you a short and simplistic answer.[YSaerTTEW443543]
TOEFL listening discussions: Why is the student talking to the advisor?[YSaerTTEW443543]