—Everybody is going to climb the mountain.Can I go too，mom?
—________ Wait till you are old enough，dear.
| A．Will you? | B．Why not? |
| C．I hope so. | D．I'm afraid not. |
The teachers are supposed to teach us about “safe sex” but most of them are too________.
| A．embarrassed | B．allergic | C．funny | D．worried |
I never used to like jazz but I’ve been ________ it recently.
| A．getting through | B．getting to | C．getting into | D．getting over |
________ to playing games recently，he is easy to feel sleepy in class.
| A．Addicted | B．Addicting | C．Having addicted | D．To addict |
— We haven't been to the Great Wall for ages.
— No, I don't remember how many years ago _______ I last visited it.
| A．it was that | B．was it that | C．it was when | D．was it when |
How do you think _________that he was an hour late on such a short journey?
| A．it came about | B．did it come about |
| C．it was come about | D．was it come about |