摘要： He is good at maths and it won’t be long he works out the problem. A. since B. until C. when D. before
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He is good at maths and it won’t be long ____ he works out the problem.
|
A．since |
B．until |
C．before |
D．when |
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He is good at maths and it won’t be long ____ he works out the problem.
- A.since
- B.until
- C.before
- D.when
He is good at maths and it won’t be long ____ he works out the problem.
A. since B. until C. before D. when
查看习题详情和答案>>
He is good at maths and it won’t be long ____ he works out the problem.
| A．since | B．until | C．before | D．when |