Tom is tall, but his sisters, Mary and Kathy,       short.

Please turn on the light. It is ______ dark ______ see anything in the room..

–What do you think of Black Coal, Thin Ice?–It’s a good film.     , it is not suitable for teenagers.

The reporters asked the man    questions, but he said    words.

--- ___________ is it from Suzhou to Beijing?--- It used to be a long way, but nowadays, it takes only five hours to get there by high-speed rail.