Barack Hussein Obama, the present president of the USA, ________ a naughty (调皮的) boy at school.

We should eat many fruits ________ apples and oranges.

Could you please tell me the answer to thisquestion — ______ It is not my style tohelp people cheat.

The uniform makes us look like a bunch of clones, especially _______ we are doing morning exercise in the playground

The disabled people feel grateful _______ you ________your help.