_______ may I keep these books— Twice a week.

Why not stop _______ a rest—Oh, it’s so exciting that I can’t stop _______ the kite.

Witnessing the explosion(爆炸) in a chemical plant in Kunshan is the most frightening experience ______ I have ever had.

Zhou Yang won the 1500-meter Olympic title at the Sochi Winter Games on February 15.—_______________________

Roaring loudly, out _____, with an axe (斧子) in his hand. [ ]