Frank put the medicine in a top drawer to make sure it would not be __________ to the children.
Our school forbids_____ ,that is to say, we are not allowed ____ at school.
Smoking too much may lung cancer and cause other diseases.
In 1942,Columbus and his crew arrived ____was so-called the New World by the westerners.
--- You must obey every word of mine! --- _________ I don’t ?
--- Are you pleased with what he has done? --- Not in the least. It couldn’t be ___________.