The first time Carla went skiing was last Monday. (NEVER) Carla __________ last Monday.

You ______ an apology when _______; you _____ a course when ______ and you ______ an effort when _______.

I had to resign from the course due ____________ .

The noun form of relevant is _________; the adjective form of purpose is _______ and the verb form of class is _______.

We were all favourably impressed with Paola's lecture. (FAVOURABLE) The lecture _________ on all of us.

If you're not completely satisfied with the result, we'll ______ you a full refund.

Students don't spend their free time in the same way as fifty years ago. (CHANGE) The way students spend their free time _________ fifty years.

An excellent _______ of English can guarantee ____________ .

What can make us feel awkward while talking to an English speaking person?

Without a receipt, they will not return your money. (UNLESS) They will _________ you have a receipt. 

What are the benefits of mastering foreign languages?

What can be done to prevent ________ (danger) languages from ______ (extinct)?

Is being _____ (fluency) or ________ (accuracy) more important for you while speaking foreign languages? Give reasons.