题目内容
I don’t know when he ____. But if he ____, I’ll ring you up.
| A.comes, will come | B.will come, will come |
| C.comes, comes | D.will come, comes |
D
解析
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题目内容
I don’t know when he ____. But if he ____, I’ll ring you up.
| A.comes, will come | B.will come, will come |
| C.comes, comes | D.will come, comes |
D
解析