–How can I operate this machine?—Well, just refer to the _______.
#6423
A
explanations
B
expressions
C
introductions
D
instructions
推荐题目
 You should take the medicine after you read the ____.
#7071
A
lines
B
words
C
instructions
D
suggestions
 We are ready to start at short ______.
#6837
A
information
B
advice
C
message
D
notice