He is old. He is my .[ ]
A. little brother
B. grandmother
C. grandfather
答案:C
Are they still doing the experiment? They're supposed______it by the end of last class.
A.finish
B.finished
C.to finish
D.to have finished
某分部分项工程的清单编码为010302006004,则该分部分项工程的清单项目顺序编码为( )。
A.01
B.02
C.006
D.004