MrBlack told us that he ______ born on the April fools

Is it that Jack often plays computer gamesmakes his parents worry about him ?—Yes , I think so .

on your raincoat, _____ it rains

The news has spread all over the country ________ the spaceship succeeded in returning to the earth.

____ from a Chinese character meaningpeople, the mascot “Haibao” shows the character of Chinese culture.