1 We are so busy that wen can`t go to the airport .
2The little guy can`t speak until 7.
3My mom spends 2 hours (in) doing homework every day.(这个句型中的in可加可不加,不过可以帮助你明白为什么用doing而不用to do 和do)
1.we are so busy that wo will not't go to the airport ,2.the child can speak untill he is 7, 3.my mother spend 2hs to do housework everyday
1. we are too busy to go to the airport.
2. this child couldn't talk until the age of seven.
3. my mother spends 2 hours to do housework everyday.
We are too busy to go to the airport.
The child could not speak until seven years old.
My mother spends two hours doing housework everyday.
跪求采纳啊啊!
1. we are so busy to go to the airport.
2. the child was able to speak until he was seven.
3. my mother spends two hours on the housework every day.