______ is the common factor of the three sounds: [p], [t], [k].A．VoicelessB．VowelsC．Voiced

One important factor that affects the correctness of the results is that_________．A． the o

Fuel oil is thought to be one of the main factors _____ the operation and maintenance of a

Price ______ is at the top of the factors contributing to the rise of construction cost in

The encouraging factor is that the ______ majority of people find the idea of change accep

_______ is NOT included in the factors used in analyzing vowels。A.Position of the tongueB.

The most important factor that causes the wear of the engine parts is _____.A.excessive he