Mr Blackbe at home because she called me from England just now.

Can you work out the maths problem?— Sorry, I can ______ understand its meaning.

Heavy smog (雾霾 )in eastern and central China seems to get more and more serious.—I agree. Something to deal with it.

___ the police three months to recover the stolen things.

Huang Bo is a popular film star. He brings us good films.