BecauseoftheMid-autumnDayhappeningto

問題詳情：

Because of the Mid-autumn Day happening to _________, we have just enjoyed a longer National Day vacation than ever before, but it is estimated that it will be 38 years __________we can experience such a coincidence again.

up, when   B. Come across, that    up, since    along, before

【回答】

D

知識點：動詞

題型：選擇題