1 Their goods are exchanged for such machinery and equipment ____we need to buy abroad.
A that B what C as D which
2 Until next 5th,this train___for 1000 days without accidents.
A Having caught B Be caught C Being caught
3 If you are able to talk to a friend over the telephone,you fell that you are close ____ the actual distance is not shortened
A even if B so long as C if D as