--- It’s difficult to get to the other side of the river.--- I think a bridge over the river.
---What’s in the fridge? ---A few ___________, but little _________。
--- How often does Daniel exercise? --- ___________.
Doctors say we need more fruit and vegetables to be ________ because _______ is very important.
--- __________your twin sister’s name Sandy? --- Yes, _______ is.
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