I always go there by bus. — Why not ______ by train? It’s faster. [ ]

Not only Susan but also Sandy _________ abroad for traveling. They will return next Sunday.

Her room is beautiful. But I don’t think her room is bigger than _______.

To save the drowning child, the boy plunged into the icy water without hesitation, ____ his own safety.

I enjoy my new life here. But I still miss my old friends from time to time. Here the underlined part means .