Choose the sentence that best combines the following pair of sentences.

Vietnam has signed various free trade agreements. Vietnam has fostered its integration with regional and global economies.

A. True

B. False

C. Doesn’t say

A. The Invasion of An Exotic Species

B. The Effects of Invasive Species

C. Zebra Mussels As an Invasive Species

D. The Impact of Global Trade on Marine Life

A. environment

B. environmental

C. environmentally

D. environmentalists

A. Both solar walls and windows and bladeless wind turbines on rooftops are going to be used in future smart buildings that the city energy will be 100 percent renewable.

B. Solar walls and windows as well as bladeless wind turbines on rooftops are going to be used in future smart buildings in order to the city energy will be 100 percent renewable.

C. Solar walls and windows as well as bladeless wind turbines on rooftops are going to be used in future smart buildings where the city energy will be 100 percent renewable.

D. Both solar walls and windows and bladeless wind turbines on rooftops are going to be used in future smart buildings so that the city energy will be 100 percent renewable.

A. The boy’s parents didn’t see him for three days.

B. During three days, the boy’s parents saw him once.

C. It is three days when the boy will talk to his parents.

D. The last time the boy talked to his parents was three days ago.

A. The city is building green roofs, and the heat island effect will be reduced and pollutants will be absorbed.

B. Having built green roofs, the heat island effect will be reduced and pollutants will be absorbed.

C. The city is building green roofs to reduce the heat island effect and absorb pollutants.

D. The city is building green roofs in order that reduce the heat island effect and absorb pollutants.

A. He will live separately from his family next month.

B. He is living separately from his family next month.

C. He would live separately from his family next month.

D. He is going to live separately from his family next month.