Viết lại câu 1.i’m not rich, so i don’t live in a big house If..... Unless...... 2. Sandra can’t take a photo because she hasn’t got her camera If..... Unless...... 3.she buys a lot of clothes, so he has no money If..... Unless...... 4.we haven’t got calculator, so we can’t work this out quicker If.....; unless.... If..... Unless......

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