21£®Straight away I went to buy the tickets, but there were left for the next public holiday.
A£®nothing B£®none C£®neither D£®no one
22£®---How often do you visit your granny in the village?
---I feel ashamed. .
A£®Very often B£®By accident C£®Just once in a while D£®All of a sudden
23£®After the argument, he spoke with the department manager and the problem .
A£®solving B£®had been solved C£®was solved D£®solved