_______ the right to correct his difficult question，the teacher of English was pleased and praised me in front of the class.
| A．Having given | B．Having been given |
| C．To be given | D．Giving |
Follow the directions on the bottle carefully when _______.
| A．you will take the medicine | B．taking the medicine |
| C．to take the medicine | D．taken the medicine |
Do you think ______ important _______ us to learn a foreign language?
| A．that; of | B．it; for | C．this; is | D．that; for |
-----I think it _______ to smoke .
------ _______.
| A．was wrong; Neither do I | B．wrong; So do I |
| C．wrong; So I don’t | D．wrong; So I do |
______ to collage this year, We must study harder than ever before .
| A．Go | B．Going | C．Gone | D．To go |
Don’t have the clock ______ , Your father is sleeping.
| A．rings | B．rang | C．ring | D．ringing |