Find a mistake in the four underlined parts of the sentence and correct it: My most embarrassing experience happened 2 year ago. Find a mistake in the four underlined parts of the sentence and correct it: On Mother's Day, the mother receives greeting cards and gifts from their husband and children. Find a mistake in the four underlined parts of the sentence and correct it: These are the data collecting during our survey trip. Find a mistake in the four underlined parts of the sentence and correct it: The policeman for whose help I asked spoke English very clear. Find a mistake in the four underlined parts of the sentence and correct it: While the Internet is a excellent source of information and means of communication, it is difficult to ignore the health risks associated with prolonged use. Find a mistake in the four underlined parts of the sentence and correct it: Customers are given a 5% discount at the shop which newly opened on our street. Find a mistake in the four underlined parts of the sentence and correct it: Inside of the room I could hear someone laughing. Find a mistake in the four underlined parts of the sentence and correct it: Competitors which are entered by the National Olympic Committee to represent  their country. Find a mistake in the four underlined parts of the sentence and correct it: I have done a few paintings in acrylics and watercolors, but also oil is still my favorite to use. Find a mistake in the four underlined parts of the sentence and correct it: The cause for the accident is still being investigated. Find a mistake in the four underlined parts of the sentence and correct it: I was strongly impressed by the hospitality and friends of the people there. Find a mistake in the four underlined parts of the sentence and correct it: The tradition food of this festival is the moon cake, of which there are many different varieties. Find a mistake in the four underlined parts of the sentence and correct it: The onset of the Industrial Revolution marked a major turning point in human society and almost every aspect of daily life was influence in some way. Find a mistake in the four underlined parts of the sentence and correct it: Despite of the heavy traffic, we arrived on time. Find a mistake in the four underlined parts of the sentence and correct it: I asked the salesman if I could change the faulty camera with another one. Find a mistake in the four underlined parts of the sentence and correct it: I want to buy some dark brown shoes to match with my new handbag. Find a mistake in the four underlined parts of the sentence and correct it: Having achieved highest score, our team was rewarded the first prize. Find a mistake in the four underlined parts of the sentence and correct it: This scientific theory has now been proved be false. Find a mistake in the four underlined parts of the sentence and correct it: True friendship is when two people have mutual respect for one another, and really care about the each other’s feelings and dreams. Find a mistake in the four underlined parts of the sentence and correct it: Altogether, I have lost almost 3 kilos of weight.