________ is really hard ________ them to climb such a high mountain.
—________people are there in your family?—Three.
I’d like to go with you, _____________I’m too busy.
I sometimes help my mom with her housework____________ Saturdays.
I have a big brother. __________name is Paul.
If it ____rain tomorrow , we will go camping.A.don’t B. won’t C. doesn’t