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