_____ her help, we were able to finish our work ahead of time.

____, the more expensive the camera, the better its quality.

Great attention must be paid ________ education，especially in the countryside.

There were two teachers named John ________at our school, which made some of our students ________. 

Desserts made from apples, such as pies, apple pancakes and apples _____ in sugar are available for sampling.