填空题 .A. I'll surely remember you and your invitation to him.
    B. Scientists have done countless experiments to show that praise is far more effective than criticism in improving human behaviour.
    C. I have no idea what to buy for my daughter. Do you have any suggestions?
    D. Thank you for the present. It's just what I wanted.

填空题 1.  科学家们已经做了无数试验，表明在改进人的行为方面，表扬比批评有效地多。

填空题 2.  我不知道该给我的女儿买什么礼物。你有什么建议吗?

填空题 3.  我一定向他转达您的问候和邀请。

填空题 4.  谢谢你的礼物，这正是我想要的。