Up _____ now, he has written 10 stories.
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Add the suffix “-able” to the words given below. Then complete the following sentences with the words thus formed.knowledge; believe; fashion; change; enjoyOur history teacher is a very _______________ person and we admire him very much.
We trust her because we find her explanation _________.
按产源不同,沥青的种类分为石油沥青、()、()和天然沥青,常用的主要是()。
一般采用选择性溶解等方法,将石油沥青分离为化学成分及物理力学性质接近的三个组分,分别是()、()和()。