What does the man mean when he says, "We'll be in touch" at the end of the conversation?

After learned to print, elementary school children learn cursive writing.

The teacher told the students don't to discuss the take-home exam with each other.

Aluminum has a hard imperious coasting which protects the metal from corrode.

Emily was determined to get a higher position. (heart)

-> Emily _{…………………………………………………………………} getting a higher position.

Brain was really interested in American history in his school days. interest

-> Brain _{…………………………………………………………………} American history in his school days.

SECTION IV: WRITING

Part 1: Questions from 86 to 90.

Finish each of the following sentences in such a way that it means the same as the sentence printed before it.

Although it looks fierce, the dog has never bitten anyone.

Dick is in prison because a detective recognized him.

The police now think he invented the story to protect his girlfriend. made

-> He is now thought to _{…………………………………………………………………} to protect his girlfriend.

It's possible that the thieves entered the building. broken

-> The thieves _{…………………………………………………………………} the building.

After payment, you'll receive the product _{…………………}10 business days.

It is impossible to finish the job today.

Part 4: Questions from 51 to 55.

Fill in each of the sentences with correct prepositions.