题文
Allen has decided that he will be an engineer by the time he ________ twenty.
| A.had been | B.is going to be |
| C.will be | D.is |
推荐试卷
Allen has decided that he will be an engineer by the time he ________ twenty.
| A.had been | B.is going to be |
| C.will be | D.is |
试题篮
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