- - Wasn't that Chris in class? 
 - It __________. Chris left last week.
 -   couldn't
-   could have been
-   couldn't have been
-   couldn't have
 
- Tom watches all the Liverpool games. He ________ be one of their biggest fans. -   must
-   has got
-   couldn't
-   should have
 
- Children under five years old ______ swim without an adult. -   don't have to
-   must not
-   have to
-   are supposed to
 
- Where _______ we supposed to go for the test tomorrow? -   do
-   are
-   will
-   should
 
- Bring your umbrella. It _______ later. -   might rain
-   rains
-   couldn't rain
-   might have rained
 
- - Will your plane we late this afternoon?
 - It _______. The airport was closed this morning.
 -   couldn't be
-   may be
-   maybe
-   will
 
- You ________ told Mark. You knew it was a secret. -   should have
-   might have
-   couldn't have
-   shouldn't have
 
- They built this temple 3,000 years ago. This must ________ a great civilization. -   has been
-   have been
-   was
-   not have been
 
- Tom ______ to call Susan yesterday but he forgot. -   supposed
-   is supposed
-   supposes
-   was supposed
 
- - Could Tom have been at home yesterday?
 - He ________. I really don't know.
 -   could have been
-   might be
-   had to have been
-   couldn't have
 
- Tom ______ to clean up his room. It's a mess. -   have got
-   has got
-   must
-   got
 
- I failed the test. I ________ studied harder. -   should have
-   must have
-   should
-   may