Tracy _________ (not / need) extra lessons last month if she _________ (be) as good at maths as you are.Đoạn văn370/494Tracy __________(not / need) extra lessons last month if she _________(be) as good at maths as you are.Click vào chỗ trống để nhập đáp án. Nhấn Enter để xác nhận, Esc để hủy.Giải thíchwouldn’t have needed – had been