With a lot of difficult problems_____________, the newly-elected president is having a hard time.
—What's the matter with Della? —Well,her parents wouldn't allow her to go to the party,but she still ________.
________ a certain doubt among the people as to the practical value of the project.
It sounds like something is wrong with the car's engine.________,we'd better take it to the garage immediately.(2011·江苏,33)
________ a strange plant!I've never seen it before.(2011·辽宁,33)
—Why does the lake smell terrible? —Because large quantities of water ________.