Most birds find it ____ to sleep in the trees.
As___ _matter of fact, _____beauty of___ nature there made an excellent impression on me.
——What have we got for supper? ——I got huge fish at market opposite our school for only five pounds.
一My flight was delayed because of________ heavy rain．—But you are just in______________ time for the discussion．
I don’t think the experiment is ______ failure. At least we have gained ______ experience for future success.
By ________ nature, you are an adventurer, full of amazement and curiosity about _________world bigger than life itself.
__ to sleep in the trees.__ to sleep in the trees.
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