1. What is the reason the car not working now?

2. What lenght is the Red river?

3. At a quarter past seven my mother often goes to work

4. What is your height?

1. Why isn’t the car working now?

-> What’s …the matter with the car now……?

2. How long is the Red river?

-> What ………is the length of the Red river……..?

3. My mother often goes to work at seven fifteen

-> At a ……quarter past seven, my mother often goes to work ………

$. How tall are you, Lan?

-> What ………is your height, Lan………?