The flight attendant welcomed us ___ the plane. 
#19662
A
abroad
B
aboard
C
board
D
broad
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
You should be __________ with what you have.
#19796
A
satisfy
B
content
C
need
D
meet
The ______ look on the student’s face suggested that your ______ question made him ______.
#18341
A
puzzling; puzzled; puzzled
B
puzzling; puzzling; puzzled
C
puzzled; puzzled; puzzling
D
puzzled; puzzling; puzzled