Hạnh hạnh

1do you think we are doing enough to. Wild animals?

• Protect

• Prevent

2.we had a discussion about . Warming this morning

• Global

• World

Air pollution is a. Problem in many major cities

• Serious

• Practical

Some animals lose their habitats because of.

• Deforestation

• Biodiversity

High levels of pollution can upset the. Of an ecosystem.

• Balance

• Average

Animals should be kept in their natural.

• Habitats

• Forests

Air pollution is a serious problem because it. People's health

• Dâmges

• Causes

She told me that she. To me the sunday before

• Wrote

• Has wrtten

• Was writing

• Had written

Nam wanted to know what time.

• Does the movie begin

• The movie has begun

• Did the movie begin

• The movie began

They said that they had driven through the desert

• The previous day

• Tonight

• Today

• The following day