Going out for a trip with friends popular in the last few years .
| A．is | B．was | C．has been | D．had been |
____you are familiar with the author’s ideas, try reading all the sections as quickly as you possibly can.
| A．Now that | B．Ever since | C．So that | D．As long as |
Only lately _____ about the dark secrets behind the seemingly-happy marriage of the
golf star Tiger Woods.
| A．the public have known | B．were the public known |
| C．have the public known | D．the public knew |
—Did you listen to the lecture given by the famous herbalist doctor Zhang Wuben?
— No, we ______ it. But we had a lot of traffic on our way.
| A．could have attended | B．must have attended |
| C．could attend | D．shouldn't have attended |
Barrack Obama’s recent visit to the Asian nations clearly sent a message to the world
______ Asia is important in America’s global partnership.
| A．which | B．where | C．that | D．as |
I don’t smoke now, but I ____for almost ten years.
| A．ever smoked | B．have ever smoked | C．had ever smoked | D．was ever smoking |