摘要： -- Why hasn’t Mr. Li come to work today? -- he has gone to Beijing to have a meeting. A. If B. After C. Before D. Because

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---Why hasn’t Mr Li come to work today?

---______he has gone to Beijing to have a meeting.

A. If B. Until C. Though D. Because

---Why hasn't Mr．Li come to work today?
---________ he has gone to Beijing to have a meeting．

－Why hasn’t Mr．Li come to work today?

－________ he has gone to Beijing to have a meeting．

A．If

B．Until．

C．Though

D．Because

---Why hasn't Mr．Li come to work today?---________ he has gone to Beijing to have a meeting．