18．--- Tom has a lot of parties recently.
---Yes, that may ____ why he didn’t do well in the test.
A, sum up B. add up to C. account for D. make sense of
Tom
, turn down the music. Why you make such a big noise while your baby sister is sleeping?
| A．must | B．would | C．should | D．may |
--- Could you spare me some ink?
--- . Here you are.
| A．With pleasure | B．It’s a pleasure |
| C．That’s nice of you | D．Thank a lot |
If carefully, the experiment will be successful.
| A．do | B．does | C．done | D．doing |
If you are planning to spend your money having fun this week, better it – you’ve got some big bills coming.
| A．forget | B．forgot | C．forgetting | D．to forget |
She is being pleased about it: she is very angry.
| A．free from | B．free of | C．out of | D．far from |