SBR-1778优级品挥发份指标是≤()。
A、0.75%
B、0.80%
C、0.90%
D、1.00%
参考答案:A
—Why didn’t you come to the cinema with us last Saturday?
—Oh,sorry.But I_____the film.
A.see
B.saw
C.have seen
D.had seen
Is there _ wrong with your computer? [ ]
A. something
B. anything
C. everything
D. some