15. I first ________ Ho Chi Minh city in 2013. A. go B. went C. visited D. been to 16. The mother told her son: “ _____ swim in the lake. It’s very dangerous.” A. Do B. Don’t C. Not swim D. Can’t 17. I ____________ “Tom and Jerry” many times. A. see B. saw C. am seeing D. have seen V.Circle the letter A, B,C or D to indicate the underlined part that needs correction in each of the following questions: 18. Tea is most popular drink in London A B C D 19 Tim just washed his car, it looks very clean. A B C D 20. Have you ever eat Hanoi Pho, Steven? A B C D

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