单项选择题
The company （） a rise in salary for ages, bul nothing has happened yer.
A.is promised B.has been promised C.is promising D.promised
单项选择题 The presidential candidate （） his position by winning several primary elections.
单项选择题 She remains confident and （） untroubled by our present problems.
单项选择题 The construction o f a 5-million-ton iron and steel works is now under （）.
