-I'm going to attend your lecture at 9: 30 tomorrow morning.-I regret to tell you that when you arrive, it will have ended and I __________ questions with my students.
--Do you hear a fire ___ last night?---Yes, it __ by the firemen in no time.
What he said sounds ___.
--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.