Mr.Smith used to ____ his car to work,but now he is used to ________.
You have to eat _____food and take _____exercise if you want to be thinner and healthier.
________ bad news!
There is ________”h” and ________”u” in the word “hour”.
–Must I finish my homework tonight? -No, you______.
It’s difficult _____ your sound because the noise is too high.