We have learned from the story that what is most valuable is not what we have in our lives but _____ we have in our lives.

orry to tell you the ballet Nut Cracker has been cancelled—Oh, no! ________

I couldn’t help _____ when I heard thejoke.

There is “m” and “u” in the word “mouse”.

The new CRH train between Beijing and Shanghai ________ speed can reach about 380km/h will benefit ________ takes it.