________ MRS THOA WAS TIRED, SHE HELPED HER SON DO HIS HOMEWORK.A....

4. - KIEM TRA HK2 ANH 9 1314
Lớp 9 Tiếng Anh KIEM TRA HK2 ANH 9 1314
4. ________ Mrs Thoa was tired, she helped her son do his homework.A. Because B. If C. Although D. So