With the development of economy, our country is becoming more and more powerful ____ financial situation

Does the young man standing at the gate ____ the car — No The car is _____his father

The boy’s ______ expression on his face suggested that he must have met across something______.[ ]

Sally worked late in the evening to finish her report _______ her boss could read it first next morning

Don’t use water to put out the fire if oil catches fire. As is known, oil ________ float on water.