------ their entire time at university, the students worked very hard.

One side of the stone was very smooth, but the other was very ------.

The milk was out of date so his mother ------ it away.

She ------ it would be a good idea, but it was a disaster!

Make sure you are very ------ when you are checking all of the information. You don't want to make any silly mistakes.

I like my teacher. ------ he makes me do difficult tasks sometimes.

I only got 50% of my answers correct in the exam. The exam was very ------.

Congratulations! You are ------ to the next round.