【原创】In my English teacher’s opinion ,the best way to understand thousands of new words is to gain ______ good knowledge of basic word formation.

【原创】I’d also like to ______ you on your good performance in these two years.

【原创】For a girl at her age，______ to the Olympics means that she will have a chance to enter the history books.

【原创】The police are looking into the possibility who’s most likely to______ the old lady’s death。

【原创】Our English teacher advised us to try to ______ at least an hour each day for reviewing the newly-learnt vocabulary .