_______ application of transgenic technology(转基因技术)should be restricted on all food production and the government should take _______ “scientific attitude” toward genetically modified food.
If the children are badly ____ they behave badly.
Actually, Miss Zhang is not at all serious as she _____.
We need to wear sunglasses to ____ our eyes from the sun.
The boy's bad behavior ____ his mother lots of sleepless nights.
. He ____ to help me with my math, but I refused his help, for I decided to do it on my own.