单选题 It's a Chinese ______ to eat moon cakes and admire the full moon on Mid-Autumn Festival.

单选题 The computer program is designed for the ______ of easy online reading.

单选题 With 5G technology, doctors can treat patients thousands of kilometers away. It's ______.

单选题 Nowadays travelling by high-speed train is as ______ as travelling by air.

单选题 I left a ______ on his desk, telling him about the meeting tomorrow.

单选题 Please don't make any ______. The baby is sleeping.

单选题 The young man is very ______ to fight against bad people. He is my hero.

单选题 —Look! Mike does so well in his speech. —Yes, he has a(n) ______ for public speaking.