---- Did you come to the museum by bike yesterday? ---- No. Two meters of snow fell during the night. As a result, several main roads __ .
Have you ever had the case _______ you can’t recognize your friend’s voice on the phone?
He made another wonderful discovery,_____ of great importance to science.
When the poor old lady tried to ______ the cup on the shelf to have a drink, she ______.
Maria has written two novels, both of _____ have been made into television series.
Mary is ill today. If she ______ ill, she _______ absent from school.