A computer is very popular and helpful .— I think so. It _______ in many different fields.

_____ are these shoes? They are green.[ ]

Let’s go hiking ______ staying at home, shall we? — A good idea. [ ]

The earthquake killed __________ and animals.

The second Sunday of May is _______ Mother’s Day, it’s _______ special day for children to show their love to their dear mums.