You could go______you want to in the world during the summer holidays.
A. wherever
B. whichever
C. however
D. whatever
As a leading company in China, we are offering a______range of services in this area.
A. wide
B. long
C. close
D. low
要约可以撤销的情形是()。
A. 撤销要约的通知在受要约人发出承诺通知之前到达受要约人
B要约人确定了承诺期限
C. 要约人以其他形式明示要约不可撤销
D. 受要约人有理由认为要约是不可撤销的,并已经为履行合同作了准备工作