A. Should they come to us B. If they come to us
C. Were they come to us D. Had they come to us
A. there will be B. there is C. there be D. there was
A. knows B. knew C. had known D. would have known
played football B. will play football C. play football D. are playing football
A. had known B. would know C. should know D. knew
A do B will do C. did D must do
A. ought accept B. will accept C. accept D. are accepted
A. should hold B. must be held C. would be held D. be held
A. would leave B. leave C. left D. have left
A. sing a song B. sang a song C. sung a song D. singing a song
A. would be B. will be C. was D. be
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