If you cheat in the exam, you could hardly ________ it.
The young man insisted that he _________ nothing wrong and __________ free.
When first __________ to the market, the computer software was not a success due to its complexity in operation.
It’s certainly been a long time _________ we met last time.
Unfortunately, the element Madam Curie devoted all her life her death.
Out of the crowded bus , who was dressed in a black suit and waved to a woman.