It is ____ useful book. ____ book is on her desk.
| A．a, The | B．an, The | C．the, A | D．an, The |
Although he is only a __________ boy, he knows a lot.
| A．five-year old | B．five-year-old | C．five years old | D．five-years-old |
—Look! What a nice car! Whose car is this?
—It __________ Mr. Liu, I saw him driving it yesterday.
| A．belongs to | B．takes pride in | C．gives up | D．stays away from |
If you have __________ where my lock might be, please tell me at once.
| A．less idea | B．more idea | C．no idea | D．any idea |
Some of the artist’s paintings are __________ in this exhibition in our City Museum.
| A．in turn | B．in public | C．on display | D．on duty |
Boys and girls, __________ you choose to wear, your clothes should be clean.
| A．however | B．whatever | C．whenever | D．wherever |