_________ whenever you like;you are always welcome.
| A．Drop out | B．Call at | C．Drop in | D．Call on |
He believes that she is right, _______?
| A．doesn’t he | B．does he | C．is she | D．isn’t she |
This is the second time that you ______ the Summer Palace.
| A．visited | B．have visited | C．had visited | D．are visiting |
The doctor tried to _______ him to give up smoking, but he wouldn’t listen.
| A．advise | B．suggest | C．agree | D．persuade |
Can you imagine ______alone on that lonely island for the rest of your life?
| A．to live | B．live | C．living | D．lived |
The fireworks last year _______ the beauty of Changchun over Chinese New Year.
| A．adds to | B．adds up | C．adds up to | D．added to |