从方框中选出恰当的单词并用其适当形式填空。
sleep watch read happen fall walk talk know hurry tell
Earthquakes are sudden natural disasters, but knowing how to protect ourselves can reduce danger. Last night, a small earthquake 1. in our town. At 10:00 p. m., while most people were 2. in their houses. My parents were 3. a movie in the living room when they felt the house shake.
I was 4. a storybook in my bedroom. The bookshelf suddenly 5. to one side, and some books dropped on the floor. Outside, a few neighbours were 6. their dogs in the park. They were 7. about their weekend plans when the ground began to move.
At first, everyone didn't 8. what to do. Then my father 9. to turn off the gas. My mother 10. us to hide under the table.
The earthquake lasted only a minute, but it taught us to remember safety rules for unexpected disasters.

1. happened
2. sleeping
3. watching
4. reading
5. fell
6. walking
7. talking
8. know
9. hurried
10. told

1. You'll make progress if you what you have learned as often as possible.

A.go back
B.go over
C.go on
D.go by

B

本题考查动词短语的辨析。go back回去；go over复习；go on继续；go by经过。根据题干中的“make progress”以及“what you have learned”可知，此处指只要尽可能经常复习学到的东西就会取得进步，go over符合句意。