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

He tried to learn English well. He wanted to join an exchange programme in the US.

A. There are many people and buildings in cities.

B. There is visible technology in cities.

C. There has been population growth in cities.

D. There has been the infrastructure in cities.

A. in

B. over

C. into

D. at

A. She has worked as an English teacher for ten years.

B. She has worked as an English teacher since last year.

C. She last worked as an English teacher ten years ago.

D. She didn’t work as an English teacher ten years ago.

A. It was in November when we had a meeting about global warming.

B. It is in November that we will have a meeting about global warming.

C. It is November when we have a meeting about global warming.

D. It was November that we would have a meeting about global warming.

A. All houses are going to use energy-efficient devices in future cities.

B. All houses won’t use energy-efficient devices in future cities.

C. All houses might not use energy-efficient devices in future cities.

D. All houses will probably use energy-efficient devices in future cities.

A. You should take three tablets daily for three months.

B. You should finish all of this medicine within three months.

C. You should keep using this medicine during meals in three months.

D. You should get rid of the pills three months after you opened the jar.