Choose the correct option - comparative or superlative?

My English is ... yours.

• more good than

• gooder than

• better than

• more better than

Jane works ... her collegues.

• more hard than

• harder than

• more harder than

• harder

Her salary is ... as mine.

• more high

• higher than

• less high than

• as high

This office is ... the one downstairs.

• bigger than

• more big than

• as big than

• less bigger than

That nurse looks ... the others.

• more happy as

• more happy than

• happy as

• happier than

Learning languages is not as ... you think.

• easier as

• easy than

• easy as

• easier than

Learning English is ... French.

• importanter than

• as important than

• less important than

• more important than

Do you know that Brian is ... (young) Jen? They're both 17.

(a)  

Nowadays it is ... (easy) to learn languages than before.

(a)  

Your English teacher gives ... (low) grades than other teachers.

(a)