they usually sit watching tv. 为什么用watching?

they usually sit watching tv. 为什么用watching? wat 翻译They sit and sit. In England ,they sit around In England they sit around What are they busy 后用加doing吗?（Wat are they busy doing?) They usually exercise ._ _ they usually (对打“”部分提问) they like to sit in the sun. where do they sit的回答 they usually have s____ rooms. Wat will the children 's life be like when they grow up翻译 Wat't Wat is wat是什么意思 Angkor Wat wat email. wat a l wat