We must speak English __________ in order to improve our oral English.
Nobodynoticedthethiefslipintothehousebecausethelightshappenedto_______.
TheInternethasbrought_______bigchangesinthewaywework.
Idon’t______rock’n’roll.It’smuchtoonoisyformytaste.
Itwasnotaseriousillness,andshesoon_______it.
Theforestguardsoftenfindcampfiresthathavenotbeen________completely.