The cours lasts for just a ... short weeks.

That material ... the base layer of the road.

Gonzalo ... some experiments in the school lab.

We missed the bus because we didn't leave home early enough. IF = We wouldn't have missed the bus ........... home early enough.

There was much ... among the students over their exam results. (ANXIOUS)

Jaime is eager ... learn. (=deseoso de)

It was discovered ... . (ACCIDENT)

Gonzalo didn't want to take a break because he was finding the class very interesting. ABSORBED = Gonzalo was .............. class that he didn't want to take a break.

... have discovered a new type of cell. (RESEARCH)

The closing of the strait has caused a ... of fuel in some countries. (SHORT)

We do sports ranging ... hammer throwing ... swimming.

Dar utilidad a algo, aprovechar algo = put sth ... ... ...