It's difficult ___________ what will happen.

• knowing

• know

• to know

In France, ____________ your hands under the table is rude.

• putting

• to put

• put

• puting

___________ this project in 24 hours is impossible.

• To do

• Doing

• Do

It's exciting to __________ here.

• being

• to be

• be

It's a pleasure _________ (have) you here.

Choose the sentence with the same meaning.

It's important to take a break twice a day.

• Take a break is important.

• Taking a break twice a day is important.

• It's important take a break twice a day.

Choose another form for the sentence:

Arriving a little late for a party is acceptable.

• It is unacceptable to arrive a little late for a party.

• It is acceptable to arrive a little late for a party.

• It isn't acceptable to arrive a little late for a party.

Choose another form for the sentence:

It is common to put your napkin on your lap.

• Putting your napkin on your lap isn't common.

• It is uncommon to put your napkin on your lap.

• Putting your napkin on your lap is common.

Rewrite the sentence in a different way.

Washing your hands before the meal is important

________________________

________ (eat) with your hands is common.