... should we22. Vietnam, ………… is in the South-East Asia , exports riceA. who B. where C. which D. whose23. Why don’t you have your car ……………?A. washed B. wash C. to wash D. washing De thi trac nghiem ... ? A B C D 11. If there will be too much exhaust fume in the air , our breathing will be badly effected A B C D 12. We suggest to plant more trees along the streets to have more sheds and ... sentences:13. We are ready the environmentA. clean B. to clean C. cleaning D. cleaned14. This is the house ………….Nam was bornA. where B. which C. that D. when15.It is Saturday today , ………….?A. is it...