We don’t doubt______ he can do a good job of it.

Every possible means _______ to prevent the air pollution, but the sky is still not clear.[ ]

Staying up late is bad for your health. —You are right. I decide to ________.

It’s obvious that EXPO shanghai 2010 _______ a great success.

It will be a big help if you go to the store and get what we need for dinner______, I’ll set the table