___ children believe they can succeed, they will never become totally independent.
| A．Unless | B．Though | C．When | D．If |
Robert made a call to his parents yesterday afternoon. To his disappointment, __________of them answered it.
| A．either | B．both | C．none | D．neither |
I __________stop by sometime and thank her for all her help.
| A．must | B．would | C．could | D．ought |
I ordered___________pizza and salad. The pizza was nice but__________salad was disgusting.
| A．the, the | B．a, the | C．a, a | D．the, a |
High way and air transport will have to compete with _____ service for passangers nowadays.
| A．good | B．better | C．best | D．the best |
Yang Jiazheng_____a book about Shuangqiao village last year but I don't knowwhether she has finished it.
| A．has written | B．wrote | C．had written | D．was writing |