河南成教 / 大学英语（III）
正确率：100%
9[多选题]
<p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt"><span>This question is very ______to answer for us.</span></p>
A.convenient
B.formal
C.difficult
D.formidable
<p style="TEXT-JUSTIFY: inter-ideograph; TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: 'Times New Roman','serif'; FONT-SIZE: 10.5pt"><span>This question is very ______to answer for us.</span></p>
参考答案：