Complete this text with words from Copposite. Most financial institutions offering Internet-based products should use (1) authentication to reduce the risks of account fraud and identity theft.

At present, most authentication methodologies involve three basic factors:

• Something the user knows (e.g. a (2)

institution) Something the user has (e.g. a (3)

identification number generator)

Something that shows who the user is, i.e. (4).

the confidential number given by the

the keyring-like

authentication (e.g. a.

fingerprint).. Authentication methods that depend on more than one factor are more reliable; for

example, the use of a (5)

a TAN (something the

user knows) to log in, and then a token (something the user has) to transfer funds.

Adapted from Federal Financial Institutions Examination Council

1. had better 2. i have to 3. must 4. might 5. could. 1.brenda can't be over 30. 2. what should i do? 3. you don't have to come with me 4. anyone could break into his house 5. he mustn't be long. might, might not, must, mustn’t, can’t or can. 1.  we’re not sure but we go to prague for christmas this year.2.  bill cooked the lunch, so you __can, expect anything special! 3. you really _   start spending more time on your work.4.  that’s really stupid idea! you   _mustn't__be serious, surely! 5.  you __can' realize it, but this is very important to me.6. tell mike he take my book if he needs it. rewrite each sentence so that it contains  can’t, might, must, should or needn’t1.  david must have taken  your books by mistake2.  you needn't have parked   outside the police station.3.    liz can't have  met harry before.4. you needn't have  cleaned the floor. 5.  heather can't has  left yet.6.   they can't have eaten all the food7.    jack must have arrived half an hour ago8.    pam and tom can't  come.9.    the cat might have taken  the fish from the table! 10  it must have been  a waste of time worrying, after all!correct any errors in these sentences. some sentences are correct.1) she could 2) you shouldn't have been 3) couldn't manage 4) it could be 5) correct we 't have so much. the cat   __possibly did not open the fridge.  helen __could__ give  us a lift the last person   might have left   the door unlocked we   didn't have to wear  school uniform at my school.                         the   end

N1

2 shines

3 is waiting

4 do not wait

5 have

6 am having

7 plays

8 is playing

9 play

10 are playing

11 My aunt does not make cakes on Mondays, but she is making one now.

12 makes

13 is making

14 What are you looking at?  I am looking at that tree in the garden. I like to look at in early in the morning.

15 am making

16 make

N2

1 write

2 does

3 is doing

4 is sleeping

5 sleeps

6 What are you reading now?

7 What books do you read for your lessons?

8 What does your mother usually cook for dinner?

9 What is she cooking now?

N3

1 works

2 am writing

3 Do you go to school on Sundays?

4 do not dance

5 Are they playing in the room now?

6 Where does he live? He lives in the village.

7 Is he sleeping now?

8 read

9 are eating

10 helps

11 Do you play the piano well?

12 is dancing

Объяснение: