He is very surprised that all the houses in the village ______ white.
Mary is a ________ girl, and she can sing ________.
---You haven't been to the mountain, have you ? ---_______.I'll go there next week. It will be the first time for me.
—I want to know if Maria ______ us in the fashion show tonight. —I believe if she ______ her homework, she will join us.
In our class, about ______ of the students ____ girls.
—How can we become good at playing basketball ? — ____ practicing it as much as possible.