After 15 years in the USA, he has finally decided to American ______ citizenship.
| A．concentrate on |
| B．apply for |
| C．look out for |
| D．appeal to |
To tell you the truth, everyone, including me, won’t ________your selfishness and rudeness.
| A．fasten | B．press |
| C．suffer | D．tolerate |
Having an outdoor meal is always fun, but it can also be disappointing if ________.
| A．planned not carefully | B．not planning carefully |
| C．not planned carefully | D．not to be planned carefully |
You will succeed in the end ________ you give up halfway.
| A．even if | B．as though |
| C．as long as | D．unless |
Not until the train pulled into the next station _______her suitcase gone.
| A．Mary had found | B．had Mary found |
| C．did Mary find | D．Mary found |
The heavy fog in London made _______deep impression on us, which was sometimes so heavy that we lost ________sight of everything.
| A．a; the | B．a; 不填 |
| C．the; a | D．the; 不填 |