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”。
Marytiptoedoverandtooktheclockawaybecauseshehatedtohearit___whenshewastryingtogotosleep.
To obtain a satisfactory result ， one must apply two____of paint on a clean surface.
Shehiredalawyertoinvestigate,onlytolearnthatGabrielhadremovedhernamefromthedeed.Theinfinitiveverbphrase“onlytolearn”isused____.
He left orders that nothing _____ touched until the police arrived there.
Toobtainasatisfactoryresult，onemustapplytwo____ofpaintonacleansurface.
