__________ the assignment made his father lose his temper.
| A．The boy’s not having done | B．The boy not having done |
| C．The boy’s having not done | D．The boy having not done |
I don’t think I am __________; it is said that _________ is the mother of success.
| A．a failure; failure | B．failure; a failure |
| C．a failure; a failure | D．failure; failure |
--- I’m afraid I can’t return the book to you before Friday.
---_______.
| A．Don’t be afraid | B．Be careful |
| C．Forget it | D．Take your time |
They are so busy that they have no time to do any sports, ______they need to do so.
| A．wherever | B．whenever | C．even if | D．as if |
I don't know _______.
| A．how can I finish my homework on time |
| B．how I could finish my homework on time |
| C．I can how finish my homework on time |
| D．how I can finish my homework on time |
Hurry up! The train ______. You know it ______ at 8:30 am.
| A．leaves; leaves | B．is leaving; leaves |
| C．leaves; is leaving | D．is leaving; is leaving |