我想知道他的叔叔离开家多久了。I wonder__________________ his hometown.
他们跳舞跳得如此开心以至于他们忘了时间。
They danced ____________ ____________________.
令他惊讶的是,他看到了真的鲸鱼。
________ he saw the real whale.
哪种语言在世界上应用最广泛?
Which language is ______________?.
和王林相处很难。____________________________________________________.
你最好穿上试一试。______________________________________.