________ on a clear day, the beautiful scenery gives him a sense of peace.
A．Walking B．If walking C．While walking D．When one is walking
Suggestions have been put forward ________ guns should be more strictly controlled in the USA.
A. before B. that C. when D. as
---Is dinner ready?
---Not yet. The main course ______. It needs another ten minutes.
A．was not done B．had not done C．is not done D．has not done
Keep on trying even when you are in trouble, ________?
A．will you B．do you C．shall you D．can’t you
You ________ believe how wonderful Van Gogh’s “Sunflowers” is until you ________ it with your own eyes.
A．won’t … see B．don’t … will see
C．will … see D．do … will see
Much as I have travelled, I have seen ________.
A．not a such capable man B．no such a capable man
C．not such capable man D．no such capable man
