In 1973, a book ________ that plants can feel emotions, prefer classical music, and can respond to the unspoken thoughts of humans landed on the New York Times best-seller list.
The weather was so bad that we had to ______. Our journey became a failure.
He hurried out and ______the chair.
There were signs here and there, _____ visitors to look out for ______ rocks.
I don't doubt ______ he will pass the tomorrow’s exam.
We were ______ on our way to the airport because of the heavy snow.