________ many times, he still couldn’t understand it.

I lost my way in complete darkness and, ______ matters worse, it began to rain.

---Is there any possibility of _______ the match? 
---I’m not sure.

The club, _    _ 25 years ago, is holding a party for past and present members.

When Peter speaks in public, he always has trouble        _ the right things to say.

As Jack left his membership card at home, he wasn't allowed           into the sports club.

When         for his views about his teaching job, Philip said he found it very interesting and rewarding.  

I remembered         the door before I left the office, but forgot to turn off the lights.

The mother, ________ in the kitchen, totally forgot the medicine on the table within the child’s reach.

______ for our dreams, as the principal addressed at the graduation ceremony, offers us a sense of belonging．