____ in a branch of the tree ___ a note which read "I'll meet you at the School Gate".
Mr. Smith didn’t understand _____ made his son so upset that evening.
Although cats can not see in complete darkness, their eyes are much more ______ to light than human eyes.
Don’t mention that at the beginning of the story, or it may _______ the shocking ending.
I’m tired out.I stayed up the whole night, ______ for my midterm math exam.
The first prize goes to _______ makes the greatest contribution to the company.