People can _______ running everywhere. Do you know what ______?A. be seen; happened B. be seen; is happening C. see; happens
Parents can spend many happy hours walking the History Museum.
---I like musicians can play different kinds of music. How about you? ---Oh, I like all musicians.
By the time I was five, I learning English.
When he was at college, he and his friends to organize a party.
He put up a notice, to find his lost mobile phone.