The old man has stopped smoking because he has caught a cold

The old man has stopped smoking because he has caught a cold.The old man has ______ _______smoking ______ ______ his cold.Many stars are very far.We can't see them clearly.(合并为一句）Many stars are _____ far _____ ______ ______ see clearly.She said to the man ,"Don't smoke in the office."（合并为一句）She _____ the man ______ ______ ______ in the office.Is there a bike under the tree?He asked.(合并为一句）He akked ____ ____ ___ a bike under the tree.