Before Sally left home, her mother kept telling her to ________ her manners at the party.
| A．notice | B．care | C．mind | D．observe |
Listening to loud music at rock concerts ____ caused hearing loss in some teenagers.
| A．is | B．are | C．has | D．have |
______ the task is difficult, they managed to complete it on time.
| A．Because | B．Therefore | C．As | D．Though |
That’s where I _______ live when I was a child.
| A．used to | B．was used to | C．was using to | D．am used to |
Though lacking________, the young teacher manages the class very well.
| A．experience | B．experiences |
| C．experienced | D．experiencing |
Three college students were accused ______ causing the accident on purpose and sentenced to two years in prison.
| A．of | B．with | C．for | D．as |