几道英语选择 _______he had met with some trouble ,_____ he phoned

几道英语选择
_______he had met with some trouble ,_____ he phoned the head office for help.
A.As soon as./ B.Hardly...when C.No sooner...than D.Scarcely.../

2.Please let us know what____ are involved and the time ____ for delivery.
A.procedures ,need B.business,taken C.formalities,taken D.process,needed
3.Thanks for your______ in doing business with us
A.interesting B.interested C.interest D.interests