______ crossing the street, the old man was knocked down by a car.
A: At
B: In
C: While
D: On
A: At
B: In
C: While
D: On
举一反三
- ______ crossing the street, the old man was knocked down by a car.
- The old man ____ down the street with a dog.
- The old man ________ down the street with a dog. A: looks B: for C: at D: walks
- Walking in the street, ______ . A: a bike had knocked him down B: he was knocked down by a bike C: a bike knocked him down D: he knocked down a bike
- I was crossing the street and was almost _______ by car.