English has been very popular because it is the _______ language in many western countries.
#18477
A
official
B
fluent
C
gradual
D
frequent
推荐题目
From his ________ voice on the phone I know everything is going under way.
#20722
A
satisfactory
B
satisfying
C
satisfied
D
satisfaction
Be ____ to finish your homework before supper.
#20718
A
shy
B
sure
C
nervous
D
serious
From the ___ expression on her face, we knew that the problem was ____.
#20557
A
puzzling….puzzling
B
puzzled…puzzled
C
puzzling..puzzled
D
puzzled..puzzling