_______ my sister three times today but her line was always busy.

he journalists caught up with thesoldiers along the broken road finally,they ___ towards the earthquake – hittown at high speed.

The floor is dirty. Can anyone cleanit— .I do it all the time.

The boy broke all the glasses on purpose; he certainly deserved________

How _____ you say that you really understand the whole story if you have covered only part of the article?