–Why has Tom looked unhappy recently? –He has some difficulty ______ with his new classmates at school.

28 You made a lot of mistakes in your composition, but __________ it is a good one

When ______ by the teachers, a student tends to studyharder than usual.

In 1938, Hitler _________ war againstPoland, which started the Second World War.

This English dictionary is expensive, but it is of ________.