It is vital that enough money ________ to help the project. ( 章节：6 难度：3)
- A、be collected
- B、must be collected
- C、is collected
- D、can be collected
正确答案:A
答案解析:有
微信扫一扫手机做题
做题室题库
做题室题库
It is vital that enough money ________ to help the project. ( 章节：6 难度：3)
微信扫一扫手机做题