553. Sorry. I always ________you.

A. understand　　　　　 B. not understand

C. misunderstand　　　 D. don’t understand

552. _______every means that could be tried been tried?

A. Is　　 B. Has　 C. Are　　 D. Have

551. I need your help. Your friendship is a great help to me. I________.

A. meant it　 B. mean　　 C. meant　　　 D. meant serious

550. You _______so much since I last saw you .

A. changed　　　　　　 B. are changing

C. have changed　　　　 D. had changed

549. I’m looking forward to ______to Hong Kong .

A. visiting　 my visiting　 C. visit　　 D. my visit

548. Good to see you again. I ______ I______not see you here today.

A. thought; could　　　　 B. thought; can

C. think; can　　　　　　 D. think; could

547. What do you think of my new dress? Just speak _______.

A. your truth　 B. heart　 C. your mind　 D. really

546. Sorry not ______you, but you know I was terribly busy then.

A. have helped　　　　　　 B. help

C. to have helped　　　　　 D. to be helping

545. I don’t trust that man; he is the guy who _________.

A. never eat his word　　 B. never keeks saying

C. always eats his word　 D. keeps his word

544. You ________me earlier, but you didn’t.

A. should tell　　　　 B. should have told

C. shall tell　　　　　 D. could tell