They seemed each other for a long time.A.knowingB.to knowC.having knownD.to have
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They seemed ______ each other for a long time.
| A.knowing | B.to know | C.having known | D.to have known |
试题答案
D
解析

They seemed ______ each other for a long time.
| A.knowing | B.to know | C.having known | D.to have known |
D
解析