the Europeans knew what compass was, the Chinese had put it into practical use.
A: Before long
B: Long since
C: Long ago
D: Long before
A: Before long
B: Long since
C: Long ago
D: Long before
D
举一反三
- I knew Mr. Green _____________I knew Mrs. Green. A: long before B: efore long C: long ago D: after long
- It won' t be ______ he comes back. A: long before B: before long C: long after D: long since
- Mother told me that she would come back____________, maybe in a few weeks. A: long ago B: long before C: ater on D: before long
- A biology teacher made several tests with different animals tn find out which animal was the cleverest ______. A: before long B: long before C: not long ago
- That had happened__. A: efore long B: long before C: very soon
内容
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The manager promised that he would look into the matter _____. A: before long B: for long C: long before D: so long
- 1
I'm sure he will be back ______. Just wait a minute. A: long before B: before long C: after long D: long after
- 2
He has been writing this novel for two years. ( ), the book will be published. A: Before long B: Long before C: So long as D: For long
- 3
They told me that he had left for the country some days___________. A: ago B: after C: long D: before
- 4
______, he realized he made the right decision. A: Before long B: Long before C: After D: Before