________ a mobile phone can you ring ________ you want to talk with anywhere.
--- Where was the park that the author described in his latest book? ---___ was near the zoo ___ we took many photos last month.
---Why did he___ that the man we met on the bridge was his father? ---God knows!
We were informed that the woods behind our apartment building would be removed to___ a swimming pool for the residents.
To be an astronaut, you must not only be strong in mind, but also be sound mentally and___.
She’s such a smart ___ that she can type 150 words in one minute.