监理工程师在现场实际投料拌制时,应做好( )。
A.配合比复核 B.看板管理 C.资料记录 D.审核确认
参考答案:B
Tom did not take away the camera because it was just the same camera______he lost last week. [ ]
A. which
B. that
C. whom
D. as
在下面出现的句子中使用哪个动词是错误的 “______ en Madrid.”
A.Vivo
B.Trabajo
C.Estudio
D.Soy