Choose the best answer.

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

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.

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Despite joining the healthy cooking class, Anna’s effort to change her eating habits was rather _______.

Choose the best answer.

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