When we face the light, shadow is just ______ us.

Answer: A. behind
Explanation: Shadows are cast behind you when you face the light source.

The city lies ______ 1,500 meters above sea level.

Answer: D. about
Explanation: "About" is used to approximate a measurement.

He dreams ______ becoming a famous artist one day.

Answer: A. of
Explanation: "Dream of" is the correct expression when referring to aspirations or desires.

We bought a stereo music player that was ______ sale.

Answer: D. on
Explanation: "On sale" refers to items being offered at a discount.

They ate everything that was set ______ them.

Answer: B. in front of
Explanation: "In front of" is used when something is placed before someone.

We will leave for Thailand ______ the end of October.

Answer: B. at
Explanation: "At the end of" is the correct phrase to describe a specific time in the future.

There were some beautiful paintings ______ the walls.

Answer: D. on
Explanation: Paintings are typically hung "on" the walls.

We arrived ______ the art center ______ time for the show.

Answer: B. on - in
Explanation: "On time" means punctual, and "in time" means arriving early enough.

I read ______ three hours.

Answer: A. for
Explanation: "For" is used to describe the duration of an activity.

I bought many souvenirs during my stay ______ Vietnam.

Answer: A. in
Explanation: "In" is used when referring to a location like a country.

Our plane will not take off ______ time.

Answer: B. on
Explanation: "On time" means according to the planned schedule.

The patient will fully recover ______ a week or two.

Answer: C. in
Explanation: "In a week or two" is the correct preposition for time frames.

The flight is ______ thirty minutes.

Answer: C. in
Explanation: "In thirty minutes" refers to the time when something will happen.

We dined with my parents ______ a restaurant.

Answer: B. at
Explanation: "At a restaurant" is the correct phrase for a specific location.

The fishing boats were out ______ sea.

Answer: A. at
Explanation: "At sea" refers to being out on the water.

Did you meet your idol during your stay ______ Japan?

Answer: A. in
Explanation: "In Japan" refers to the country or location.

They have lived ______ Pasteur Street for many years.

Answer: B. on
Explanation: "On Pasteur Street" is the correct way to refer to an address or street.

The flight is ______ time. It will land ______ thirty minutes.

Answer: B. on - in
Explanation: "On time" means punctual, and "in thirty minutes" refers to the time it will take.

She has an appointment ______ a new client ______ 9 a.m.

Answer: A. with - at
Explanation: "With" is used for appointments, and "at" is used for time.

There's something written ______ the back ______ this book.

Answer: A. on - of
Explanation: "On the back" is used to refer to something located on the back surface, and "of" refers to ownership or location related to the book.

In spring, nature wakes ______ her long winter sleep.

Answer: A. In
Explanation: "In spring" refers to the season.