17.When news came ________ the ship was missing,she almost broke down,for her husband was on board.( )
A. | which | B. | that | C. | what | D. | whether |
14.Many experts believe that teachers'development is _______ the key to better education lies.( )
A. | that | B. | what | C. | where | D. | which |
13.The number of various educational programs is increasing,_______ important roles have been realized by more and more people.( )
A. | whose | B. | where | C. | which | D. | that |
12.Researchers have come to the conclusion over the last 5years ____ teens need to sleep until about 8:00the next morning.( )
A. | when | B. | what | C. | whether | D. | that |
11.Mr.Green asked me to borrow a book for him,_______about how to be a good volunteer.( )
A. | it | B. | one | C. | ones | D. | which |
10.-We've just sold out the last copy of this dictionary.
-Well,it doesn't mailer.I think I might get ____ in another bookshop.( )
-Well,it doesn't mailer.I think I might get ____ in another bookshop.( )
A. | one | B. | that | C. | this | D. | it |
9.The Smiths prefer a house in the country to spend their late years to____ in a large city.( )
A. | one | B. | it | C. | those | D. | this |
8.The Green Corporation donated the property to the state of California,with one condition ____ the Green family would be allowed to use it when they wished.( )
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A. | what | B. | which | C. | when | D. | that |