One-child policy has ______ controlling China’s population.A. did well in B. worked well in. C. worked good in
---He's already back to Australia,__________? ---____________. He is on a visit to Shanghai.
Very few people have to finish the work before going home, _________ ?
--- Alice had nothing for breakfast this morning ,____ ?--- No, she got up too late.
You _______ go far if you need help with your homework.
---_______ he _______ from Beijing? --No, he _______.