(2018·天津高考)Let'snotpickthesepeachesuntilthisweekendso

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(2018·天津高考)Let's not pick these peaches until this weekend so ________ they get sweet enough to be eaten.

that　句意：讓我們這個週末再摘桃子，這樣的話，它們吃起來就變得足夠的甜。從句為目的狀語從句，故用so that引導。