It _____ last week that the haze(雾霾)in Beijing caused many problems.
The______ talk made all of us ________.
Tom has difficulty Chinese, so he often asks me advice.
The born artist devoted all the time ______ for something better or different.
—I never expected you could offer such a report with _______ information. Thank you! —Don’t mention it.
—I feel stressed from time to time. What can I do with it? — ________ sharing your worries with your parents?