2．I'm very sorry____________________(麻烦你)．

1．I've come____________________(借词典)．

7．by the age of；at the age of

①He could draw beautiful pictures ____ four．　　 ②____ twenty，he had learned more than 5，000 English words．

4)。根据句意及所给的汉语提示完成下列句子。

6．pupil；student

①My younger brother is a ____ in a primary school．　　 ②He is a ____ of Chinese medicine．

5．try out；try on

①The shirt is very nice．I'd like to ____ it____ ． ②We have ____ it ____ several times；but we have failed every time．

4．frightened；afraid

①A ____ girl is crying．　　 ②The little girl is ____ to go out at night．

③I'm ____ I can't go to the party．My brother is sick．

3．try to do；try doing

①Let's____ (do)the exercise in another way． ②He____ (work)out the problem．

2．own；have；there be

①I ____ an English book here，but that English book is his． ②I ____ a new bike．My father bought it for me yesterday．

③I saw him go out with my ____ eyes．　　　　　　　　 ④____ a dustbin in the corner．

1．be able to；can

①That ____ not be your bag． ②You will ____ pass the exam if you work hard．

15．这部电影真的值得看。 This film is ____ worth ____ ．

3)。仔细辨别下列每组易混词，选择正确的词填空。