35Global oil prices ______ sharply in the past two years

To be a promising student is not an easyjob. It takes time.— I can’t agree more. _______.There is no short cut.

My camera can be___to take pictures in cloudy or sunny conditions.

Eating too much fat can heart disease and cause high blood pressure.

Mark was afraid of being scolded，so he________say what he thought to his parents.