问题
I wonder ________ as the ads has promised.
A:does the air-cleaner really work
B:the air -cleaner really works
C:that the air-cleaner really works
D:if the air-cleaner really works;
B:the air -cleaner really works
C:that the air-cleaner really works
D:if the air-cleaner really works;
正确答案是：
同类题型
I’m ____ of listening his ____ lecture, so I began to read a magazine. [ ]
Tom read this poem; his voice was quiet but every word was ______.[ ]
Would you take this along to the office for me—______________.
Having been attacked by terrorists, ____________________ .
He is the only one ofthe students who _____ a winner of scholarship for three years.