We'dbettereliminatejunkfoodsfromourkitchenandkeepavarietyofhigh-qualityfoods_____atalltimes.
A、availableA
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Johngotbeateninthegame,____hadbeenexpected.
Human beings are superior to animals _____ they can use language as a tool tocommunicate.
Tammy: Someone is at the doctor.
Richard: ______.
Thetimehascome_____wemakeextensiveuseofnuclearenergy.
The time has come _____ we make extensive use of nuclear energy.
