The natural greenhouse effect maintains the Earth's temperature at a safe level making it (34) ___ for humans and many other life forms to exist.

Corn, domesticated by the American Indians, was brought to Europe by Columbus.

Regular exercise and good diet will bring ___ fitness and health.

She was so tired last night that she slept like ___ until 10 o'clock this morning.

"Why don't we wear sunglasses?" - our grandpa would say when we went out on bright sunny days.

He was so mean that he couldn't bear to ___ the smallest sum of money for the charity appeal.

This shirt is ___ that one.

I am sure he did not know that his brother graduated with flying colors.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

They asked me what did happen last night, but I was unable to tell them.

What is probably the best title for this passage?

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

- Michel: "I failed my driving test again!" - Nick: “___”