—________ will your brother come back?—I’m not sure. Maybe in a week.A. When B. How C. Whether
You must ride your bike ____ the right side of the road.
During the Spring Festival, the heavy snow stopped many peoplefrom ____ back home.
–When did the Olympic Torch Relay start in Fujian?–____ May 11th, 2008.
There was an exciting moment in our class when a large birdflew ____ the room.
___ now on, I will learn English in the mornings.