To succeed in doing an experiment,________.
#94929
A
carefulness is needed
B
carefulness is one needs
C
one needs to be careful
D
one need be careful
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 The machine has been used many years_____ it doesn’t work well occasionally.
#94762
A
That’s because
B
It’s no wonder that
C
There’s no doubt if
D
It’s unlikely that
She never laughed,_________ lose her temper.
#91965
A
or she ever did
B
nor did she ever
C
or did she ever
D
nor she ever did
¾ Will you spare me a few minutes now? ¾ _______. But I’ll be free in half an hour.
#94206
A
Yes, of course
B
No. I can’t
C
Yes, with pleasure.
D
I’m afraid not