I still doubt ________ he can overcome all the difficulties.

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I asked him ________ what he was doing.

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The question is ________ can be put into practice.

[　　]

I don't know how many years ago ________ .

[　　]

People were perhaps more honest a long time ago when life was very different from ________ it is today.

[　　]

Do ________ right and respect the opinions of others.

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The balanced diet became ________ success ________ before long she became slimmer.

[　　]

One ought ________ for what he or she hasn't done.

[　　]

“We can't go out in this weather,” said Bob, ________ out of window .

[　　]

You will soon get ________ this long, dull speech.

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