SHE HAS TAUGHT HER CHILDREN TO PLAY PIANO FOR 4 YEARS. A. SHE STAR...

37. She has taught her children to play piano for 4 years. A. She started teaching her children to play piano 4 years ago. B. She started to teaching her children to play piano 4 years ago. C. She started teaching her children to play piano for 4 years ago. D. She started teaching her children to play piano since 4 years. 38 "I am working for an international bank in Hanoi now," my brother said. A. My brother said (that) he was working for an international bank in Hanoi then. B. My brother said (that) he was working for an international bank in Hanoi now. C. My brother said (that) he was working for an international bank in Hanoi at this time. D. My brother said (that) he was working for an international bank in Hanoi.