A liter of milk contains about thirty _______s of protein.

The city needs to ______ its public transportation.

Could we have a French-speaking ______?

The food wasn't good, but at least it was ______.

They expelled a ______ spy from their country.

You have too many books on the _______.

The soldiers ______ on the enemy.

It's an interesting _______ but there are many practical difficulties.

I got B _______ in the test.

She took a pair of _______ and cut the string.

Shall I tie the package or _____ it?

We have a special _____ of coffee.

He's got to _____ that paper - will you tell him it's urgent?

My mother is ______ smoking.

It's more interesting to travel alone than to go on a group ______.

After a week of festivities, life returned to _________.

The _____ of the cathedral glittered with gold.

We can't ______ get the work done by October.

The _______ is not considered genuine.

He ________ the clay into a sphere.

My phone number is six o four ______ two.

We clean and _____ the machines as a matter of routine.

There's no need to _______! I can hear you!

Carol won a large _______ toy at a sideshow at the fair.

He pierced the ______ ball with a needle.

We are constantly upgrading our _______ to meet customers' needs.

How much ______ does the program occupy?

Forty years have passed away _______ they met.

I'm ______ you can do an excellent job next time.

'Let me _______!' he added helpfully.

I cannot make a decision before I ________ this with my parents.

The plant is now in _______ of extinction.

The house is being built at the _________.

Neil did not mean to offend ______ with his joke.

I can hear voices _______ the wall.