Wecannottrusthimanymorebecauseheoften________hisduty.
ThecollegestudentsinChinaare_______fromsmokingoncampusbecausethiswilldothemnogood.
When you fill in the application form, please use your_______ address so that we can contact you easily later.
She is already 16years old. But she _______as if she were still a little girl.
If you have any problems during your study here,please do not _______ to call me for help