【单项选择题】
Mary forgot（）a letter to her mother, so she wrote to her just now.
A、A.writing
B、B.to write
C、C.to have written
查看正确答案A、A.writing B、B.to write C、C.having wrote D、D.to have written
搜题
更多“Mary forgot（）a letter to her mother, so she wrote to her just now.”相关的问题
第2题
A、mkgroup -A=john,mary delivery B、groupadd -A=john,mary delivery C、mkgroup adms=john,mary delivery D、groupadd adms=john,mary delivery
第4题
A、A、valid users=mary tony B、B、write list＝mary tony C、C、invalid users=mary tony D、D、valid users=@managers E、E、valid list=mary tony
第5题
A、mkgroup -A=john，mary delivery B、groupadd -A=john，mary delivery C、mkgroup adms=john，mary delivery D、groupadd adms=john，mary delivery
第7题
A、A.CREATE PUBLIC SYNONYM cust ON mary.customer B、B.CREATE PUBLIC SYNONYM cust FOR mary.customer C、C.CREATE SYNONYM cust ON mary.customer FOR PUBLIC D、D.不能创建CUSTOMER的公用同义词
第8题
A、Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn. B、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym. C、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonym. D、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym. E、Scott cannot create a synonym because synonyms can be created only for tables. F、Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.
第9题
A、Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn. B、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym. C、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonym. D、Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym. E、Scott cannot create a synonym because synonyms can be created only for tables. F、Scott cannot create any synonym for Mary’s view. Mary should create a private ynonym for the view and grant SELECT privilege on that synonym to Scott.
