The earlier settlers learned to farm the land through and error.
| A．test |
| B．trial |
| C．experiment |
| D．try |
It seems that oil______from this pipe for some time.We’ll have to take the machine apart to put it right.
| A．had leaked | B．is leaking |
| C．leaked | D．has been leaking |
—Would you like to go to Paris with us next year?
—I’d like to,but my mother______that I am too young.
| A．is against | B．opposes |
| C．objects | D．explains |
—Oh,where is my wallet?Maybe I left it in the car.
—You______ things behind!
| A．are always leaving | B．were leaving |
| C．have left | D．always leaving |
—Must I show you how to play the game?
—Oh,thank you.I______how to do it.
| A．had wondered | B．would wonder |
| C．was wondering | D．did wonder |
In a way I can see what you mean,even though I don’t______ your point of view.
| A．agree | B．permit | C．recognize | D．share |