In China’s countryside, villagers often have the same family name, but ________ not be closely related.

my colleague, has been ______ the run all week preparing for her son’s wedding.

What’s wrong with her—There may be something wrong with her ______，she can’t see things clearly.

初次认识某人, 你对他说的问候语应该是:________

Heilongjiang is in the_______of China.