题目内容
（请给出正确答案）
[单选题]
I am worried about my brother. I am not sure __________ he has arrived at the school or not.
A.whether
B.what
C.when
D.how
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A．that
B．about that
C．of what
D．what
更多“I am worried about my brother.…”相关的问题
第2题
—Ken did badly in his math test. I'm terribly worried about the result.— .A、I am so
—Ken did badly in his math test. I'm terribly worried about the result.
— .
A、I am so happy he is very healthy.
B、Well, it is hard to see.
C、Come on. It isn't the end of the world.
第3题
I am sure he is fully ______ of the danger.A．certainB．awareC．confidentD．curious
I am sure he is fully ______ of the danger.
A．certain
B．aware
C．confident
D．curious
第4题
—Our son has picked up some bad habits recently, and I am really worried about it.— .A
—Our son has picked up some bad habits recently, and I am really worried about it.
— .
A、Yes, they have some bad habits.
B、Cheer up. I believe he will overcome it.
C、Well, he likes picking things up when he is out.
第5题
As for Ann, I am not sure about her______in Italian.A．fluencyB．clarityC．coherenceD．excelle
As for Ann, I am not sure about her______in Italian.
A．fluency
B．clarity
C．coherence
D．excellency
