I’m sorryI didn’t spill the juice on your clothes________.— Don’t mention it.[ ]

I failed in the final examination last term and only then _______ the importance of studies.

__________________—B-L-A-C-K.

Lots of rescue workers were working around the clock, _____ supplies to Yushu, Qinghai Province after the earthquake. [ ]

Mary often does some translation work to earn extra money, which______half of her income. (潍坊市)