câu 21:i find cooking in my free time relaxing a.i spend cooking my free time b.it's relaxing to me to cook in my free time c.free time relaxing is cooking d.cooking is relaxing for free time câu 22:among ......... ethnic minorities, ....... Odu have the largest population a.the/an b.the/the c.the/* d.an/the câu 23: a. b. c. d. câu 24:many people are ...... computers and mobile phones. they use them a lot a.addicted to b. afraid of c.worried about d.bored with câu 25:in my family, all the tradition of our ancestors are passed ............ for generations and they are strictly followed a.to b.at c.for d.down câu 26:there are some stilt houses in my village a.there some my village stilt houses b.my c. d. câu 27: a. b. c. d. câu 28: a. b. c. d. câu 29: a. b. c. d. câu 30: a. b. c. d.