私は元気ですから、（）してください。
A.心配
B.休み
C.外出
D.安心
参考答案：D
2.45×0.8的积精确到十分位约是2.0．______．
How I great missing LiuQian's performance. Otherwise, I _____ his amazing tricks.[ ]
A. can't enjoy
B. would have enjoyed
C. mustn't enjoy
D. must have enjoyed
