Beijing is ranked first in terms of traffic jams and expenses for culture ________ Guangzhou is more open to peasant workers than Beijing and Shanghai

The boy _____ mother was ill could not come to school.

__________my efforts at persuasion，he wouldn’t agree

Every one of you is looking forward to a good result. Better think carefully before writing down your answers. Wish you success!

下列各句中，没有语病、句意明确的一项是 （ ）