30.How time flies!______ more than ten years since I left my

30.How time flies!______ more than ten years since I left my hometown.
A.It is B.It was C.There are D.There were
31.I am very ______ in the book that you sent to me yesterday
A.interest B.to interest C.interested D.interesting
32.My hometown is famous for its fruits,______ apples and pears.
A.at least B.such as C.but for D.because of
33.Mary ______ a very shy girl.She didn’t like talking to strangers.
A.is used to be B.used to be C.is used to D.used to being