Why was it doubtful whether shewould survive at birth?
举一反三
- It's ______ he 'll be able to come. A: doubt whether B: doubtful whether C: doubt if D: doubtful that
- If the system is going to be a standalone one, it is doubtful whether the system will truly be able to achieve this functionality.
- Why did some managers survive the down-sizings?
- An ______ is a person who believes that it is impossible to know conclusively whether God exists or not, and can be doubtful about other things as well.
- Why can certain species of tilapia sometimes survive around Lake Natron?