I'd rather live in the countryside. The air is much __________.

• fresh

• fresher

• the freshest

I bought a lot of food. There's ________ for everyone here.

• enough food

• food enough

• so food

I didn't know it was _________ small company.

• such a

• such

• so

I am hoping to buy a ________ shirt to wear on the beach.

• cheap blue cotton

• cotton cheap blue

• blue cheap cotton

I find it hard to _____ on my work when people are talking.

• concentrate

• find

• make

I'm so pleased I am _________ good progress on my courses.

• setting

• making

• attending

As soon as Adam ________ his luggage, he went to find a taxi.

• had collected

• collected

• was collecting

When the teacher __________, the students ________ talking.

• had arrived - stopped

• arrived - stopped

• arrived - was stopping

Some colors don't _________ each other, like red and orange.

• go with

• take off

• put on

Sam always buy clothes _______ so he can buy them with little money.

• on sale

• at least

• up-to-date