Human beings are different from animals _______ they can use language as a tool to communicate.
If you go there by ____train ,you can have quite a comfortable journey ,but make sure you get ___fast one.
Visitors were _____at the _____pictures that the guide showed.
【— I think my child’s behavior is _______. — No, he just has a lot of energy.
He is a foreigner and he is not accustomed _______like that while he is tn China.
The school is _____ a Chinese teacher for the new term who masters the English language perfectly.