握手时为了表示尊敬,眼睛应该看着手,并握满掌持续3-6秒。
A. 对
B. 错
Keeping your laptop ____(plug) in all the time will kill its battery faster.
Talking, dancing, playing a game - all of these activities allow you to ____(act) with other people.
Much to my annoyance, whenever I ____(critical) her, she always comes up with an excuse.