Do you have _______ email address? —Sorry, I only have a Wechat (微信) ID

The story happened _____ a cold night.[ ]

There ______ a talk show on CCTV-4 at nine this evening.

In China it is a custom to give kids lucky money, _______ during the Spring Festival.

With the development of science and technology，there is no doubt ________ Chinese astronauts will land on the moon in the near future.