根据
我国现代化建设正处于关键时期，经济发展进入新常态。要保持中高速增长、向中高端水平迈进，必须依靠创新支撑。材料启示我们（ ）。
我国现代化建设正处于关键时期，经济发展进入新常态。要保持中高速增长、向中高端水平迈进，必须依靠创新支撑。材料启示我们（ ）。
In recent years, several companies have developed new English language tests that are low-cost and _____ to use.
In recent years, several companies have developed new English language tests that are low-cost and \_\_\_\__ to use.
It’s wrong to judge people only according to their family _____.
It’s wrong to judge people only according to their family \_\_\_\__.
The company is starting a new advertising campaign to _____ new customers to its stores.
The company is starting a new advertising campaign to \_\_\_\__ new customers to its stores.