Mọi người giúp em với em cần gấpp ạa

37.Giving lucky money to the young and the old at Tet is a common countries. A. behavior B. practice C. tradition 38.She used to live in an igloo: a domed house A. to build B. built 39.I wish people in the world A. don't have B. doesn't have 40.I have told you many times B. not to leav ...