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
He looked dismayed when he heard the news. A: pale B: hurtful C: doubtful D: disappointed
He looked dismayed when he heard the news. A: pale B: hurtful C: doubtful D: disappointed
I am doubtful_____he is still alive.
I am doubtful_____he is still alive.
He had a ________ look on his face. A: doubted B: doubtful C: doubting D: undoubtedly
He had a ________ look on his face. A: doubted B: doubtful C: doubting D: undoubtedly
25. He had alook on his face. A: doubtful B: doubt C: doubtfully D: undoubtedly
25. He had alook on his face. A: doubtful B: doubt C: doubtfully D: undoubtedly
He is (certain) that the dictionary is just what 1 want． A: sure B: angry C: doubtful D: worried
He is (certain) that the dictionary is just what 1 want． A: sure B: angry C: doubtful D: worried
He is doubtful how the work can be finished this week.这个句子中的从句是 它是 从句。
He is doubtful how the work can be finished this week.这个句子中的从句是 它是 从句。
He wished them “Good morning” in a(n) _________ hesitating undertone as if he were doubtful how his greetings would be received. A: persistent B: imperative C: awkward D: optimistic
He wished them “Good morning” in a(n) _________ hesitating undertone as if he were doubtful how his greetings would be received. A: persistent B: imperative C: awkward D: optimistic
What can we learn about the man（） A: He firmly believes in UFOs. B: He is doubtful about UFOs. C: He is sure many people have seen UFOs. D: He thinks many people have lied about UFOs.
What can we learn about the man（） A: He firmly believes in UFOs. B: He is doubtful about UFOs. C: He is sure many people have seen UFOs. D: He thinks many people have lied about UFOs.
What is the author's attitude towards science A: He is depressed because of the ignorance of scientists. B: He is delighted because of the enormous scientific findings. C: He is doubtful because of the enormous difficulties in scientific research. D: He is confident though he is aware of the enormous difficulties in scientific research.
What is the author's attitude towards science A: He is depressed because of the ignorance of scientists. B: He is delighted because of the enormous scientific findings. C: He is doubtful because of the enormous difficulties in scientific research. D: He is confident though he is aware of the enormous difficulties in scientific research.