一、句型转换
1.He went to London after three weeks.(用in 替换after)
He _____ _____ to London _____ 3 weeks.
2 .My geography teacher told us yesterday,“ The eart h travels around the sun.”(改为宾语从句)
My geography teach er told us _____ the earth ______ around the sun.
3.In a year, he will come back.(对划线部分提问)
_____ _____ _____ he come back.