61._________A. preventB. preserveC. presumeD. pre

As it is a very popular play, it would be wise to ___ seats in advance.A.buyB.preserveC.bo

In an operating diesel engine, pre-ignition can be caused by _____________.A.excessively l

请在第__（59）__处填上正确答案。 查看材料A.succeedingB.pre

Its important to locate industries in areas where a supply of raw materials is______.A．pre

在HTML中，＜pre＞是表示______。 A．标题标记 B．预排版标记 C．转行标记 D．文字效果标记

_________[A] Presumably [B] Incidentally [C] Obviously [D] Generally