When I came back, I found my bicycle __________.

Look! There is a horse racing program on TV now.— Hmm …. It __exciting.

What did she______?—She said she ______to Beijing for a trip.

Seeing the car trapped in the snow drift, the driver didn’t know ______ it.

The littleboy’s mother told him she would be back___ an hour,but she didn’t. [ ]