read these sentences and fill in the gaps with 'who' or 'which'.
1. who introduced you the girl i still haven’t had the chance to meet.
2. anybody wants to join us has to fill in the application form.
3. my friend lives in an apartment in downtown wants to move here in my neighborhood.
1. Who introduced you the girl WHO I still haven’t had the chance to meet.
2. Anybody WHO wants to join us has to fill in the application form.
3. My friend WHO lives in an apartment in downtown wants to move here in my neighborhood.