If a substance is dissolved in water or heated ， it may （）a gas.
A、giveintoC
「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”。
Theteachers’union_________alawsuitagainstthedistrictcallingforrepairing“deplorable”schoolconditions.
Thebackgardenofourhousecontainsalawn，（）verypleasanttositoninsummer.
Itisimperativethatstudents_____theirtermpapersontime.
______isnotaseriousdisadvantageinlife.
HismannerwassopleasantthatBollafeltat（）withhimatonce.
