Time goes by so fast . We must never miss the chance to show love for our parents and make them _____ how much they mean to us .
— Would you like to go on an outing with us tomorrow?— Ok, I will if my homework ________.
— I hope you don't mind my opening the window.—______ It's much too hot here.
-— Do you know_____________?— My sister’s.
_______ pleasant trip it is! I think I will never forget it .
Physics _______ an easy subject for me when I was young. I usually got high marks then.