A. will shine B. shone C. shines D. shining
A. see B. seeing C. saw D. to see
A. handing in B. to hand in C. handed in D. hand in
A. do B. to do C. does D. did
A. is B. were C. has been D. be
A. had been B. were C. have been D. would be
A. to do B. do C. that I do D. doing
A. to work B. work C. working D. worked
A. to swim B. swimming C. swim D. swam
A. are helping B. helped C. helping D. helps
A. without knocking to B. without to knock
C. without to knock at D. without knocking at
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