She is in a red dress..介词in在这里的意思是____
The old man______ in a small house many years ago. A. live atB. livesC. lived
He is going to travel_________March. A. inB. on C. at
It _____interesting. A. lookB. looksC. is looking
I bought flowersmy mother. A. forB. toC. from
Thank you for _______my mother. A. to helpB. helping C. help