Comparatives/Superlatives

Crocodiles are ____________________ ____________________ ( dangerous ) than sharks .

Arabic is one of ____________________ ____________________ ____________________ ( difficult ) languages in the world .

____________________ ____________________ ( good ) student in our class is Sam .

It ? s ____________________ ( easy ) to use your GPS than a map when you ? re driving .

A What ? s ____________________ ____________________ ( big ) in the world ?
B That ? s easy ? Russia . It ? s 17 million km2 .

I ? m not very good at math , but Ian is ____________________ ( bad ) than me .

We were ____________________ ( busy ) than usual in the office today .

Oxford and Cambridge are ____________________ ____________________ ( old ) universities in the UK .