By the time he realizes he ____into a trap, it’ll be too late for him to do anything about it.
| A．walks | B．walked | C．has walked | D．had walked |
Volunteering， as a way of building character, is popular among young people in western countries．
| A．seeing | B．to see | C．seen | D．being seen |
This outdoor training is an exercise, as we know, teenagers' confidence can be built.
| A．which | B．what | C．that | D．where |
—Isome courses at university，so I can’t work full time at the moment．
| A．take | B．am taking | C．took | D．have taken |
—What has happened to you．Jim?
—. I cut myself shaving this moming．
| A．It's nothing | B．No idea | C．No problem | D．Forget it |
—Have you got news that a terrorist incident occurred in Kunming the other day?
—Yes，it’s shock to all of us．
| A．the；the | B．a；不填 | C．the；a | D．不填；a |