—Doctor, I am afraid I am getting fat these days. — _____ slim, you should change your diet and lifestyle. 

Thank you for_______ me with my English.

 —Do you know who the first spacewoman in the world is?—I’ve no idea. But it’s reported that the first Chinese spacewoman will be selected _____ a task in the Shenzhou-9 spacecraft this summer.

Did you finish __________ the book yesterday? 

The 6-year-old child is old enough_______ himself.