Mr. Brown has three children，and ___________names are Alex，Amy and Jane.
| A．they | B．his | C．their | D．he |
You should talk to your parents and you will get help ________ you have a problem.
| A．unless | B．if | C．until | D．so |
Tom said sorry to Kate because he took her umbralla ________.
| A．by accident | B．for accident |
| C．by mistake | D．for mistake |
________ should not be asked to study at night on weekends.
| A．Sixteen years old | B．Sixteen year olds |
| C．Sixteen-year-old | D．Sixteen-year-olds |
Mike Miller is such a quiet student that he kept silent most of the time and ______ talked to his classmates in the school.
| A．seldom | B．hard | C．ever | D．nearly |
Did you know that there were ________ visitors in Luoguo Xiang in Beijing last week?
| A．million | B．millions |
| C．million of | D．millions of |