相關sthebesttime的文學知識

問題詳情：It’ssunnytoday.It’sthebesttime_____rockets.  A.launch       B.tolaunch  C.launching     D.launches【回答】B知識點：非謂語動詞題型：選擇題...

問題詳情：—What’sthebesttime________afieldtrip? —Ithinkit’sspring.                                                  A.goingon    B.togoon   ...