There are many ______ in this essay. A: a mistake B: mistaking C: more mistake D: mistakes

When I saw him on the street, I ________ him for my friend Tom. A: mistake B: mistook C: mistaking

She must be mistaking me for someone else. A: 她一定是把我误认成别的人了。 B: 他肯定不记得我的名字了。