71/Giving lucky money to the young and the old at Tet is a common ______ in many Asian countries.
A. behavior B. practice C. tradition
72/She used to live in an igloo: a domed house ______ from blocks of ice.
A. to build B. built C. building
73/I wish people in the world ______ conflicts and lived in peace.
A. don’t have B. doesn’t have C. didn’t have
74/I have told you many times ______ the door open.
A. not leave B. not to leave C. to not leave
75/I wish my friends spent less time ______ computer games and more time outdoors.
A. play B. to play C. playing
76/The farmers in my home village ______ rice home on trucks. They used buffalo-driven carts.
A. used to transport B. used to be transported C. didn’t use to transport
77/A ______ is used to make the sound much louder so that many people can hear it from a distance.
A. loudspeaker B. radio C. television
78/I suppose it was a special occasion, ______?
A. was it B. wasn’t it C. don’t I
79/He could be f red for his rude ______ towards the VIP guest.
A. behaviour B. practice C. tradition
80/A _____ is a building that has been made stronger and protected against attack.
A. fortress B. cathedral C. temple