Choose the correct option. By the time we got to the airport, the flight had …. left

The had arrived…. we finished the decorations.

Sally had …. pressed «send» when she saw the mistake.

The document had been downloading for 10 min. … the virus warning appeared.

He had known Ian ….. as long as she could remember.

….. the had made the discovery , they rang the newspaper.

The scientists had been working …. the previous evening, but they still hadn’t made any progress.

The film actress had lost her contact lens … she rubbed her eye.

Complete the sentences. Earth is the only …. known to have intelligent life forms on it.

You should water …. once a day in the summer month.

A liiving organism is made up of lots of tiny … .

Land … have developed differently to those that live in the sea.

Anacondas can grow to a …. of six metres.

In outer … the air is too thin to breath.

What is the …. of water in the Mediterranean Sea?

Only a computer genius could …. police files.

The company files are … every evening in case anything gets lost.

I have been trying to …. my account all morning without success.

…. the icon to open the new page.

I have … a security system on my computer.