托业考试

【单选题】 The solution cannot be determined _____the problem is identified.
A．(A) if
B．(B) when
C．(C) until
D．(D) which

【单选题】 The new business has incorporated.
A．(A) still
B．(B) once
C．(C) yet
D．(D) already

【单选题】 The ______market has declined in many parts of the country.
A．(A) homing
B．(B) housed
C．(C) homes
D．(D) housing

【单选题】 thE BuDgEt AirlinE DoEs not proviDE rEFunDs For CAnCElED Flights, ______ DoEs it oFFEr ovErnight ACCommoDAtions For strAnDED pAssEngErs.
(A) nor
(B) AnD
(C) whEthEr
(D) thAt