She _______________as a nurse in a soldiers' rest home.
A. volunteer
B. volunteers
C. volunteered
D. have volunteered
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It is no use _______________ about past errors.
A. grieve
B. grieves
C. grieved
D. grieving
He outlined his plans and then ____________ to explain them in more detail.
A. proceed
B. proceeds
C. proceeded
D. proceeding
The week of ____________ rains has marked the start of the months-long storm season.
A. devastate
B. devastates
C. devastated
D. devastating
The 'seniors' are going to ___________ this summer.
A. enter the junior middle school
B. graduate from the university
C. enter the high school
D. graduate from the junior middle school
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