Read the sentences and decide which one of the given words fits each gap in the expressions:

1. After you finish, you need to log ______ .

• down
• up
• on/in
• into
• on
• in
• out/off

2. I need to key this data ______ the database.

• on
• on/in
• off
• down
• into
• out
• in
• up

3. We'll have to wait whilst the computer powers ______ . Then we can start.

• out
• on/in
• up
• into
• down
• off
• in
• on

4. We cannot access the file. The computer has gone ______ .

• on/in
• up
• out
• down
• off
• into
• on
• in