Find the mistake.

All the (A) kitchen surfaces (B) has been sanitized (C) regularly to prevent the spread (D) of germs.

Find the mistake.

It (A) is often (B) reported that serious health problems can (C) caused by (D) obesity.

Choose the best answer.

Many _______ serve important purposes such as preserving food, enhancing flavor, or improving texture.

Choose the best answer.

The importance of washing hands before meals _______ in last week’s health seminar.

Choose the best answer.

Fast food consumption is booming, and it looks like this year is going to be a _______ one.

Choose the best answer.

After staying up late watching movies, Tom went to school the next morning _______, struggling to keep his eyes open.

Choose the best answer.

A large number of patients _______ in the local clinic at the moment, so please wait for your turn.