Ben has an book.

 Ben has an    book.

#33322

fun

difficult

interesting

boring

推荐题目

That is ________ interesting work.

#32511

the

Tony is _____ honest boy from _____ university nearby.

#33126

the, /

an, a

a, a

the, an

We all think Bill is              taller of the two.

#32744

the

The computer is ______useful tool in _______world today.

#32559

an; the

a; the

the; the

a; a

Everyone knows that _____ sun is in the center of the solar system（太阳系）

#33645

the