It’s a lovely day today! ______ go out for awalk

Seeing a stranger with a knife in his hand, the little girl stood under the tree, _______ out of her mind

The questions which are ________ to yours are not easy to answer.

To enjoy the scenery, Sara would spend long hours on the train ____ travel by air[ ]

As a member of bus drivers, I am proud of Wu Bin. ——__________. He is a hero in myheart.