. You must be there within an hour. There should be no _______ in sending the information. 
#6660
A
question
B
hesitation
C
delay
D
problem
推荐题目
Sir, you are not allowed to enter the building unless you get our manager’s__.
#6250
A
permission
B
connection
C
instruction
D
introduction
Mr Smith has a lot of business______. I know by______ that this man cannot be trusted.
#6146
A
experience; experience
B
experiences; experience
C
experience; experiences
D
experiences; experiences
.Having heard the customers’ ________, they decided to improve their products.
#6710
A
complaints
B
sacrifice
C
arrangement
D
suffering