问题

I think this is ______ useful book.
A:a
B:an
C:the
D:/
B:an
C:the
D:/
正确答案是:
同类题型
Many students have interests. Some interests are relaxing andare creative.
There is ____ elephant in the zoo._____elephant likes bananas.
Some of the stickers belong to me, while the rest are ____________.
______does your mother work ? —-She works in a hospital.
Word came________the president would be shown around our school.