753. Pluto, the outermost planet of the solar system, _____photographically in March 1930.

A. discovered　　　　　　　 B. was discovered

C. by discovery　　　　　　 D. when discovered

752. – Do you like to play basketball?

　 --- No, but I ________　 play basketball at college.

A. used to　 B. was used to　 C. get used to　 D. use to

751. Any parent hopes to gain the best education possible for ________children.

A. his　　 B. her　　　 C. their　　　 D. they

750. – Professor Johnson has announced that the exam _______will be given soon.

　 ---That is not fair. How much time ________ for us to prepare?

A. there is　　　 B. is there　　 C. it is　　 D. is it

749. Jean has not been able to recall where _________.

A. does she live　　　　 B. she lives

C. did she live　　　　　 D. lived the girl

748. – How wide is the table?

　 --- It is __________.

A. three feet and one half foot　　　 B. three and half feet

C. three and one half feet　 　　　　D. three and one half foot

747. – The exam will be on the first half of the book.

　 --- That means we’ll have to finish_________.

A. fifteenth chapter　　　　　 B. fifteen chapter

C. chapter fifteen　　　　　 D. chapter fifteen

746. ________　 practising with the band this week?

　 A. Has been Paul　　 B. Has Paul been

　 C. Has Paul　　　　 D. Paul been

745. – That’s a nice watch.

--- It’s the same _______.

A. as John　　 B. like John　 C. as John’s　　 D. like John’s

744. A country cannot develop its industrial power ________.

A. from one night　　　　　 B. in a night

C. over night　　　　　　　 D. immediately