You don’t need to describe her. I _____ her several times.
| A．had met | B．have met | C．met | D．meet |
Don’t speak all at once, please .
| A．take a turn | B．take turning | C．take turns | D．take a turning |
The topic . Let’s change it .
| A．doesn’t fit to discuss | B．isn’t fit discussion |
| C．doesn’t fit for discussion | D．isn’t fit for discussion |
to his teaching work, she has no time to take care of her own child.
| A．Devoting | B．Devoted | C．Having devoted | D．Being devoted |
The sand in the river is increasing these years. We must to protect
the environment.
| A．take measures | B．do some work | C．do something | D．make some rules |
The idea puzzled me so much that I stopped for a few seconds to try to .
| A．make it out | B．make it off | C．make it up | D．make it over |