应用“自动套用格式”后,键入“+--------------------------+”后,回车,则会()
A.插入单线
B.插入双线
C.插入方框
D.插入表格
参考答案:D
-May I park my car here?
-Sorry, you __________. It's a "No parking" place.[ ]
A. needn't
B. don't
C. aren't
D. mustn't
In the emerging area of biofuels, the problem is both restrictive tariffs and heavy subsidies in rich countries, which drive up food prices and limit export opportunities for efficient developing country producers.