Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.
A.playing; they | B.to play; they | C.playing; them | D.play; them |
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Some children were seen _______in the garden all the morning. It must have been _______who picked the flowers.
A.playing; they | B.to play; they | C.playing; them | D.play; them |