______ in the chimey for five hours, the thief looked very pale and tired.
| A．Having been trapped | B．Being trapped |
| C．trapping | D．Having trapped |
—Li Ming went abroad in 2000.
—No wonder. I ______ him ever since.
| A．don’t see | B．hadn’t seen | C．didn’t see | D．haven’t seen |
It won’t be quite a long time ________ your son is back, so don’t be worried.
| A．that | B．since | C．before | D．until |
—Can I use your tape recorder for a while?
—Yes, ____________.
| A．go ahead | B．it’s up to you |
| C．that’s all right | D．not at all |
—Are you coming to the English evening?
—I’m not sure. I ________ go to the concert instead.
| A．must | B．would | C．should | D．might |
______ you see near the North Pole is nothing but ice and snow.
| A．That | B．What | C．Which | D．Who |