tried

　　　　for a long time, but he tried his best to catch up with his classmates.

I tried to put ____ a telephone call to him, but his line is always busy.

She tried to make ____ clear that she had nothing to do with what happened in the school, but in vain.

　　　　for a long time, but he tried his best to catch up with his classmates.

The senator tried every means to protect his ______ in the political world.

All the team members tried their best. We lost the game, _______.

Susan wanted to be independent of her parents. She tried _____ alone, but she didn’t like it and moved back home.

We tried to find a table for seven，but they were all         .

The senator tried every means to protect his ______ in the political world.

I tried to put ____ a telephone call to him, but his line is always busy.