Why does Captain Von Trapp use whistle to control these children?

Thatis（）behaviorandnobodylikesit. A: whistle B: structural C: selfish D: fur

Thisisaboxwitha______lid,soIcanseewhat’sinthereclearly. A: whistle B: vigorous C: obot D: transparent

That is _______ behavior and nobody likes it. A: whistle B: structural C: selfish D: fu

I'll have to ______ to you in case we should wake the baby. A: shout B: murmur C: whistle D: whisper

n.口哨vi.吹口哨 A: sportsman / ‘spɔ:tsmən/ B: whistle / ‘wisl/ C: herd / hə:d/ D: ɔil / ɔil/

There is so much _____ in the classroom that I can hardly hear her talking. A: A. voice B: B. noise C: C. sound D: D. whistle

Pubs have fanciful names like "The Red Lion" or "The Pig and Whistle" and they often have picture on a signboard outside to ______ the name. A: justify B: illustrate C: modify D: clarify

Pubs have fanciful names like "The Red Lion" or "The Pig and Whistle" and they often have picutre on a signboard outside to _________ the name. A: justify B: illustrate C: modify D: clarify

In the emergency alarm signals, if the alarm or whistle two long sounds followed by one short sound for 1 minute, it is the （） emergency. A: fire fighting B: leakage blocking C: abandon ship D: integratio