______ earthquake happened on ______ morning of April 14th in Yushu, Qinghai. By far, over 2,000 people have died.A. A ; the B. An ; the C. An ; a
I’ll see to your cat when you aren’t in ? What does the underlined phrase mean ?
----______is the population of your city?-----About two million.
Please open a window _________ turning on air conditioning.
In those days ,books could only be produced one at a time _____________.
Food safety is important. Rules _____ to stop people from food pollution.