I ______ an old photo from the drawer yesterday, which reminded me of the days we spend together on the farm.
The police are trying to find out the ____ of the woman murdered in the bathroom.
Li Qun, who graduated from university in South China, is now studying for her degree in ____ European country,
___ it rain tomorrow, we would have to cancel the football match.
-Sunday is a public holiday, ___ children should get close to nature.-But most of them have several lessons to attend.
I have finished a large part of the novel written by Dickens, the rest of which ___ very difficult.