If a substance is dissolved in water or heated ， it may （）a gas.
C
「句意」如果一种物质溶解在水里或被加热，它可能释放出一种气体。
「难点」giveinto为非固定搭配;giveover意为“托付，交托”;giveoff意为“散发”;giveaway意为“送掉，分发(奖品)等”。
She hired a lawyer to investigate, only to learn that Gabriel had removed her name from the deed.The infinitive verb phrase “only to learn ” is used ____.
John's score on the test is the highest in the class ; he____last night.
Under this（）pressure some of the rocks even became liquid.
Which of the following italicized words DOES NOT carry the metaphorical meaning?