Maybe you could be an inventor ---- maybe even good enough to ______ an idea for the next iPhone or new medicine for cancer.

 ---Must I take this medicine, Mom? It ________ so terrible.---Yes, you must take it for another three days.

Last year, the advertising rate _____ by 20 percent．

In developed countries, farm workers _________ only a small section of the population. 

In daily life，we often use body­language to ________ extra meaning.