早教吧 育儿知识 作业答案 考试题库 百科 知识分享

Ihadbeenworkingonmathforthewholeafternoonandthenumbersbeforemyeyes.[]A.swimB.swumC.swamD.hadswum

题目详情
I had been working on math for the whole afternoon and the numbers          before my eyes.
[     ]
A. swim                            
B. swum
C. swam                          
D. had swum
I had been working on math for the whole afternoon and the numbers          before my eyes.
[     ]
A. swim                            
B. swum
C. swam                          
D. had swum
I had been working on math for the whole afternoon and the numbers          before my eyes.
[     ]
A. swim                            
B. swum
C. swam                          
D. had swum I had been working on math for the whole afternoon and the numbers          before my eyes. I had been working on math for the whole afternoon and the numbers          before my eyes.         
[     ]
[     ]
[     ]
A. swim                            
B. swum
C. swam                          
D. had swum A. swim                            
B. swum
C. swam                          
D. had swum


▼优质解答
答案和解析
C
C C C C