1.They speak English in their country. (改为一般疑问句)
2.I know they live in Canada . (对ther live in Canada 部分提问)
3.My friend lives in China. (用Canada改为选择疑问句)
4.This country is very famous,because there is a big waterfall.(对because there is a big waterfall部分提问)
1 Do they speak English in their country?
2 What do you know?
3 Does your friend live in China or Canada?
4 Why is this country very famous?
1.Do they speak English in their country?
2.what do you know?
3.Does your friend lives in China or Canada?
4.Why this country is very famous?
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