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
A: before long
B: long before
C: not long ago
举一反三
- 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
- ______, he realized he made the right decision. A: Before long B: Long before C: After D: Before
- 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
- I knew Mr. Green _____________I knew Mrs. Green. A: long before B: efore long C: long ago D: after long
- A: I didn’t expect to meet you in another county, How long have you been here?B: several months.How long have The A been in that county? A: two years ago B: several months C: in a week D: Not long before