你可能感兴趣的试题
riding a bike to ride a bike rides a bike ride a bike
is walking; rides walks; is riding walks; rides is walking; is riding
rides; is riding is riding; is riding rides; rides is riding; rides
takes a bike by bike on foot rides a bike
How long How far How When
by bike rides bike by a bike rides a bike
often always usually never
how does he go to school how he goes to school what does he do where he goes
how does he go to work how he goes to work how he went to school where he goes
