Customers are asked to make sure that they ____ the right change before leaving the shop.
#101556
A
will give
B
have been given
C
have given
D
will be given
推荐题目
---How can you keep slim as a mother of two sons?---I _______ in the gym for years.
#102426
A
have worked out
B
have been working out
C
have worked on
D
have been working on
Do you still remember the key points that ___________ in his report? I don’t remember them all. 
#102323
A
referred to
B
were referred
C
he was referred to
D
were referred to