These continual _____ in temperature make it impossible to decide what to wear.
| A．alterations | B．vibrations | C．waves | D．fluctuations |
--- _____ the change of the schedule ______?
--- Oh, God! I forgot all about it. I’ll do it right now.
| A．Has, been announced | B．Was, announced |
| C．Has, announced | D．Had, been announced |
I know it’s normal for such a thing to happen, but we _____ it if we’d been more careful.
| A．need have avoided | B．could have avoided |
| C．will have avoided | D．had avoided |
It is getting colder. I hope the sudden change of climate _____ you.
| A．don’t upset | B．didn’t upset | C．hasn’t upset | D．won’t upset |
Successful people are always intelligent. They can discover______ others easily ignore.
| A．what | B．where | C．how | D．that |
The interviewee has no inner shame to show his edge over others. _______ the outer fear.
| A．As he has | B．So had he |
| C．Nor did he have | D．Neither does he have |