I forget the exact time ________ they reached the South Pole [ ]

What should I do, doctor— _______fit ,you should take more exercise.

She is determined to get a seat for the concert given by Super Girls,__________it means spending allher pocketmoney[ ]

Shall I help you?—Sure. Such a difficult case is ______ I could handle myself.

_______ beautiful the flowers are! Let’s go to take some photos.