Is it on September 1st _____ students come back to school every year ?
Bamboo grows best in the place _____ it is warm and rains often.
–Did you ask the guard what happened?--Yes, he told me all ______ he knew.
Look! The dictionary , _____is red , is a birthday gift given by Father.
She dreams of becoming ____pianist, so she makes ____most of her time to play the piano.
— Where is my passport? I remember __________there.—You shouldn’t have left it here. Remember __________it with you all the time.