问题描述：
——Why did you leave the airport and go back to the office?
—— I left my colleague Jackson _______ there.
A.waiting B.to wait C.waited D.wait
You ______ have a new computer if you can get good marks in the final examination.
A.can B.must C.shall D.are able to
—— I left my colleague Jackson _______ there.
A.waiting B.to wait C.waited D.wait
You ______ have a new computer if you can get good marks in the final examination.
A.can B.must C.shall D.are able to
问题解答：
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