11 Grammar 14/12

Today’s scientists have overcome many of the challenges of the depth by using more sophisticated tools.

• complicated

• worldly

• experienced

• aware

We went away on holiday last week, but it rained day in day out .

• every single day

• every second day

• every other day

• every two days

We can use either verbal or non-verbal forms of communication.

• using gestures

• using verbs

• using speech

• using facial expressions

Each year about fifty hundred species of plants and animals are already being eliminated.

• dropped

• removed

• kicked

• tossed

The unmanned U.S space probe Mariner 9 sent back over 7.000 photos of Mars.

• circulated

• transmitted

• conveyed

• submitted

When you cross the street, be careful and be on the alert for the bus.

• Look for

• watch out for

• search for

• watch for

He was asked to account for his presence at the scene of crime

• complain

• exchange

• explain

• arrange

Don’t forget to drop me a line when you’re away.

• telephone me

• call me

• write to me

• send me a telegram

I think the time has now come when we’ll simply have to call it a day.

• stop trying

• stop thinking

• stop working

• stop going

It is a really difficult matter to decide how to solve now. I will need time to think it over.

• sleep on it

• make it better

• make up for it

• think out of time