30．It's a good habit to have your car brakes ______ before a long journey．
| A．to check | B．checked | C．checking | D．Check |
--- 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 |
According to recent reports, one of the rare animals, ____ crocodile, is in ____ danger of dying out.
| A．a; the | B．不填; a | C．不填; the | D．the; 不填 |
— Please ______ your passport.
— I’m sorry, but I _______ in my home.
| A．show me; left it | B．show to me; left it |
| C．show me; forgot it | D．show to me; forgot it |