April 23 is stated as World Book Day, an important date for literature around the world, _______ Shakespeare was born and died.
Once lost, _____________.
us to finish the work today and I’ll be pleased to go.
Some insects ________the colour of their surroundings to protect themselves
—What about talking with others while learning spoken English?—In my opinion, .
Susan, _______ university student from Europe, teaches me _______ art in her spare time.