Watch out for these animals! They could be terrified ______ a sudden loud noise.
The bird hid _____ food inside trees for the winters.
We decided to ______ a chance on the weather and have the party outdoors.
.Excuse me, I have no ______ on me. Can you _____ the note of 100 yuan ?
It’s crazy of you to spend more time playing computer games than you ______ studying.
At this rate, the forest will be completely _______________ within the next 30 years.