Front

Vietnam’s first metro systems are ________ construction.

Back

under

Front

What she wrote in the essay explained a lot ____ her thoughts of our country in the past.

Back

of

Front

I prefer watching TV _________ going outside

Back

to

Front

It was important ___________ students to listen to teachers carefully.

Back

for

Front

I can’t imagine how those students could study ______ such poor conditions!

Back

in

Front

It was kind ___________ Peter to help with my homework.

Back

of

Front

She was standing _______ her husband and eldest son.

Back

between

Front

Peasants’ houses were made of sticks, straw, and mud.

Back

of

Front

The image of my family preparing for Tet has gone _______ my heart.

Back

into