It is reported that the local police ________ the case of two missing children, but no much progress has been made up to now.
Early ___the morning of May 1, we started off___the mountain village.
The touch they had both kept in ___many years broke.
_____hearing the good news, they jumped with joy.
Guangdong lies___the south of China and Fujian is___the east of it. Hainan is__the coast of the mainland.
We offered him our congratulations_____his passing the college entrance exams.