The best way to make them work hard is to promise them reward.
A. Promise them a reward and they will work hard.
B. If you promise to reward, they will word hard.
C. Reward them and make them work hard.
D. If they work hard, you should promise to reward them.
Đáp án đúng là: B
Dịch: Cách tốt nhất để khiến họ làm viêc chăm chỉ là hứa trao thưởng cho họ.
Although old-age pensions have risen considerably, they haven’t kept pace with the cost of living.