—Hi, Mary. It never entered my head that you’d come. What a surprise!
—I’m on a business trip in the city and I ______ in on you.
A.dropped | B.drop | C.had dropped | D.have dropped |
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—Hi, Mary. It never entered my head that you’d come. What a surprise!
—I’m on a business trip in the city and I ______ in on you.
A.dropped | B.drop | C.had dropped | D.have dropped |