敌军部队没有足够维持几天的粮食了。The enemy troop haven't enough food to __________ several days.
The Human Development Report shows that we are making progress in many different aspects but ______we need to make great efforts.
Coal was formed out of dead forests through a long _____ of chemical changes.
The reason _____ the president of Czech is widely discussed recently is _______ he was seen “to steal” a pen at a press conference in Chile.
The expert warns the Internet users not to ______ their personal information to strangers.
---- Helen seems very happy. ----Yes, she appears ______ in the job interview.