【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.
Experts say walking is one of the best ways for a person to _____ healthy.
. Jack almost fell off the cliff, but managed to _____ until help came.
The storm sweeping over this area now is sure to cause _____ of vegetables in the coming days.
. Don't _____ the news to the public until we give you the go-ahead (许可,准许).
If you _____ your demand, then maybe you will have more chance of getting what you want.