12. Everyone had an application from in his hand, but no one knew which office room _____.

A) to send it to     B) to send it      C) to be sent to    D) to have it sent

4. Some people viewed the findings with caution, noting that a cause-and-effect relationship between passive smoking and cancer remains ________.

  A) to show    B) to be shown    C) to have shown   D) to have been shown

13. What do you think of his proposal that improvements ________ in the old type of vacuum cleaner.

  A) be made     B) will be made   C) would be made   D) will have to be made

3. – How much shall I pay for the phone (call)?

  – You ________. This is free of charge.

  A) shan’t   B) can’t     C) don’t have to  D) mustn’t   E) don’t need   F) should’t

6. – I don’t understand why you came so late?

  – Sorry, I ________ that you ________ you for me.

  A) don’t realize/are waiting            B) haven’t realized/have been waiting

  C) hadn’t realized/had waited           D) didn’t realize/were waiting

 The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxygen

  A) to             B) on              C) in            D) for

 During ________ this famous scientist found the ways of discovering the new chemical element

  A) the later ’s   B) the late s    C) later ’s    D) late s

  E) the later s    F) the latest s   G) later s    H) late ’s

  I) the latest ’s   J) latest s       K) latest ’s   L) last s

  M) last ’s      N) the last ’s    O) the last s

 To keep our world a clean tidy home, we must not throw wastes ________

  A) anywhere        B) somewhere      C) nowhere        D) everywhere

 Not satisfied with his handwriting, the mother asked her son to copy the article ________ second time

  A) another          B) a               C) the            D) every

 – What will motoring be like in the future?

  – Most probably it will be ________ electric car, powered by ________ battery

  A) the, a           B) the, the          C) /, a           D) an, /