The teacher warned her students ______late for the sports meet next Monday.
--What’s ___ at the theatre this evening ?---It's ____ Comrade Leifeng.
When he was ten, Edison ___ a small lab of his own.
The trains___ the travellers who want to go to other places.
The four years, from 1860 to 1864 ___ Lincoln spent fighting for freedom of the slaves is the time ___ the American people will never forget.
The place ___ I often visit is a place ___ salves used to be sold.