___he hasn’t come is_______ he is busy writing his novel.
Quite the opposite in fact, I like to live ________ much traffic and noise.
Storms most commonly occur_______a warm air mass and a cold air mass touch each other.
He differed from his workmates ___________ he devoted his spare time to charity.
A good friend of mine from _________- I was born showed up at my home right before I left for Beijing.
China’s new food law provides for a food recall(召回) system__________ producers have to stop production if their food isn't up to standards.