.
Water, _______ seems so simple and common, is what makes life possible.
| A．that | B．as | C．what | D．which |
____ in the care of his grandmother, Ted grew to be a boy with very good manners.
| A．Leaving | B．To be left |
| C．To leave | D．Left |
All the children on the playground stared up into the sky until the noise of the plane ____.
| A．gave up | B．took off |
| C．went out | D．died away |
--- Is Alice playing both basketball and tennis for your school?
--- She ____. But now she has given up playing basketball.
| A．is | B．has | C．was | D．had |
--- Why did Miss Li leave the job?
--- She ____ for higher wages, but was turned down in the end.
| A．broke off | B．gave away | C．held out | D．picked up |
--- Did you have any difficulty catching yesterday’s lecture?
--- No. The professor spoke very clearly to make his speech easy ____.
| A．understood | B．understand |
| C．understanding | D．to understand |