—Jane and July are here. Did I introduce them to you?
—No，you didn’t. I’ve seen them，but we__________.
| A．hadn’t been introduced |
| B．haven’t been introduced |
| C．weren’t introduced |
| D．didn’t introduce |
I invited Joe and Linda to dinner, but ______ of them came.
| A．neither | B．either | C．none | D．both |
“There’s coffee and tea; you can have _______.” “Thanks.”
| A．either | B．each | C．one | D．it |
“Susan, go and join your sister cleaning the yard.” “Why ______? John is sitting there doing nothing.”
| A．him | B．he | C．I | D．me |
He felt_______ to work for human rights and progress.
| A．it his duty | B．his duty | C．that is a duty | D．that is his duty |
-- Do you like_______here?
---Oh, yes, the air, the weather and the way of life. Everything is so nice.
| A．this | B．there | C．that | D．it |