When was it________you let out the secret

The other day, my father drove his car down at ____ I thought was a dangerous speed.

It’s generous ________ Millie to donate all her pocket money toUNICEF． ——Yes．It is really meaningful _________ us to do something for charities．A．of；of

If Joe’s wife won’t go to the party, ____.

My Mother often _________ some comic books ________ me .