If you don’t want to let us down do believe yourself!A. come up with ideasB. be confiden

问题补充：

If you don’t want to let us down, do believe yourself!

A. come up with ideas

B. be confident

C. be more outgoing

D. pay more attention

答案：

A. come up with ideas

(答案→)B. be confident

C. be more outgoing

D. pay more attention

解析：句意：如果你不想然给我们失望，相信自己！let us down 让我们失望；A想出办法；B自信；C更外向；D更多关注;B和划线部分意思相符。