--I have been working hard at math. However, I can't get good marks in the exam.--Go on studying hard. And I think your dream will
Here is a photo ______ your family.
These _______ his brothers and that__________ his sister.
Please help Jack ________ his bike. It's missing (不见了).
----What about ________ a rest?---OK, Let’s go out and have a walk.
—How ______ you spell it?______.