Whensheknewthatthedinosaureggsarrivedatthemuseumsafely,...

問題詳情：

When she knew that the dinosaur eggs arrived at the museum safely, she smiled　　　.

A. in doubt                                                            B. in relief

C. in peace                                                                  D. in return

【回答】

B

知識點：介詞

題型：選擇題