A．Doubtful.B．Negative.C．Positive.D．Favorable. A: Doubtful. B: Negative. C: Positive. D: Favorable.
A．Doubtful.B．Negative.C．Positive.D．Favorable. A: Doubtful. B: Negative. C: Positive. D: Favorable.
adj. doubtful
adj. doubtful
It's ______ he 'll be able to come. A: doubt whether B: doubtful whether C: doubt if D: doubtful that
It's ______ he 'll be able to come. A: doubt whether B: doubtful whether C: doubt if D: doubtful that
Why was it doubtful whether shewould survive at birth?
Why was it doubtful whether shewould survive at birth?
5. How does the man feel about taking part-time jobs? A: Doubtful. B: Proud. C: Boring.
5. How does the man feel about taking part-time jobs? A: Doubtful. B: Proud. C: Boring.
What is the author's attitude towards the" 10-minute cup of coffee" method A: Neutral. B: Positive. C: Critical. D: Doubtful.
What is the author's attitude towards the" 10-minute cup of coffee" method A: Neutral. B: Positive. C: Critical. D: Doubtful.
28. Which of the following can best describe how the author feels toward single-sentence-long novels? A: Ironic B: Worried. C: Sarcastic. D: Doubtful.
28. Which of the following can best describe how the author feels toward single-sentence-long novels? A: Ironic B: Worried. C: Sarcastic. D: Doubtful.
The affair looks suspicious to me.（） A: bright B: doubtful C: certain D: funny
The affair looks suspicious to me.（） A: bright B: doubtful C: certain D: funny
Young people are the most ________ to advertisements. A: susceptible B: doubtful C: suggestible D: impressionable
Young people are the most ________ to advertisements. A: susceptible B: doubtful C: suggestible D: impressionable
If the system is going to be a standalone one, it is doubtful whether the system will truly be able to achieve this functionality.
If the system is going to be a standalone one, it is doubtful whether the system will truly be able to achieve this functionality.